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ABB MV Products

Our range of products include abb unigear type zvc switchgear breaker ais abb mv products, abb unigear with double busbar system breaker ais abb mv products, abb 11 kv to 33 kv ais panels breaker ais abb mv products, abb unigear with single busbar system breaker ais abb mv products, abb ais t panels 11kv vcb panels breaker ais abb mv products and abb css unit compact secondary substations css abb mv products.
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ABB Unigear type ZVC switchgear Breaker AIS ABB MV Products
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ABB Unigear type ZVC switchgear Breaker AIS ABB MV Products

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ABB Unigear type ZVC switchgear Breaker AIS ABB MV Products

Unigear type ZVC switchgear : Medium voltage, arc-proof, air-insulated switchgear

Unigear type ZVC switchgear, ABB’s medium voltage air-insulated switchgear, is the result of ABB’s global know-how integrated into a single technological solution and is also ABB’s answer to the range of solutions demanded by global markets. The switchgear complies with IEC 62271-200 standards. ‘Made in ABB’, UniGear comes with the same design and quality standards across 5 continents, and offers the best solutions for all installations including power plants, power distribution substations, compact Motor Control Centers, double-level, duplex and special-unit switchgear.

Salient Features

  • Metal-clad, four-sided internal arc-proof construction (IAC AFLR)
  • Designed in conformance with the highest in class for minimum Loss of Service Continuity – ‘LSC-2B with metallic partitions’
  • Constructed with pre-galvanized sheets without welding points, making it the most reliable switchgear in its range
  • REF542 and other high-end communicable relays offer intelligent solutions for all installation requirements
  • It is virtually maintenance-free and all circuit breaker operations can be carried out with the door closed
  • Earthing-switch is provided as an option. It is rated for full making capacity and is provided with safe and reliable position indicators
  • All compartments can be accessed from the front, hence the switchgear can be placed against the wall
  • The switchgear is provided with conventional or integrated protection and measurement systems
  • It is fitted with conventional instrument transformers or new generation sensors

Apparatus which can be installed in UniGear Switchgear

VACUUM CIRCUIT-BREAKER – CASSETTE VERSION

  • Circuit-breaker for all fields of application
  • Vacuum Interrupters, using radial magnetic field contact system, rotate arc column over the complete contact periphery  to give the best current-interruption performance at all current values
  • Epoxy resin poles for greater protection of the interrupters

VACUUM CIRCUIT-BREAKER – FLOOR-ROLLING VERSION

  • Circuit-breaker for all fields of application
    • Vacuum Interrupters, using radial magnetic field contact system, rotate arc column over the complete contact periphery to give the best current-interruption performance at all current values
    • Epoxy resin poles for greater protection of the interrupters

VACUUM CIRCUIT-BREAKER WITH MAGNETIC DRIVE

  • The magnetic actuator is a bi-stable system with electromagnetic coils for driving the armature and permanent magnet for latching on to the end positions
  • All functions like charging, switching, controlling and self-diagnostics are carried out from an integrated electronic controller
  • Equipped with multi voltage feeder in direct and alternating current

VACUUM CONTACTORS

  • Optimal solution for motor and transformer switching and switching of capacitor bank for power-factor control
  • Fitted with medium voltage fuses according to DIN and BS Standards
  • Availability of operating mechanisms with electric or mechanical latching functions
  • Equipped with multi voltage feeder in direct and alternating current

 


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ABB Unigear with double busbar system Breaker AIS ABB MV Products
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ABB Unigear with double busbar system Breaker AIS ABB MV Products

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ABB Unigear with double busbar system Breaker AIS ABB MV Products

Unigear with double busbar : Medium voltage, arc-proof, air-insulated switchgear

UniGear-ABB’s medium voltage air-insulated switchgear, is the result of ABB’s global know-how integrated into a single technological solution and is also ABB’s answer to the range of solutions demanded by global markets. The switchgear complies with IEC 62271-200 standards. ‘Made in ABB’, UniGear comes with the same design and quality standards across 5 continents, and offers the best solutions for all installations including power plants, power distribution substations, compact Motor Control Centers, double-level, duplex and special-unit switchgear.

SALIENT FEATURES

  • Metal-clad, four-sided internal arc-proof construction (IAC AFLR)
  • Designed in conformance with the highest in class for minimum Loss of Service Continuity – ‘LSC-2B with metallic partitions’
  • Constructed with pre-galvanized sheets without welding points, making it the most reliable switchgear in its range
  • REF542 and other high-end communicable relays offer intelligent solutions for all installation requirements
  • It is virtually maintenance-free and all circuitbreaker operations can be carried out with the door closed
  • Earthing-switch is provided as an option. It is rated for full making capacity and is provided with safe and reliable position indicators
  • All compartments can be accessed from the front, hence the switchgear can be placed against the wall
  • The switchgear is provided with conventional or integrated protection and measurement systems
  • It is fitted with conventional instrument transformers or new generation sensors

Apparatus which can be installed in UniGear Switchgear

VACUUM CIRCUIT-BREAKER – CASSETTE VERSION

  • Circuit-breaker for all fields of application
  • Vacuum Interrupters, using radial magnetic field contact system, rotate arc column over the complete contact periphery  to give the best current-interruption performance at all current values
  • Epoxy resin poles for greater protection of the interrupters

VACUUM CIRCUIT-BREAKER – FLOOR-ROLLING VERSION

  • Circuit-breaker for all fields of application
    • Vacuum Interrupters, using radial magnetic field contact system, rotate arc column over the complete contact periphery to give the best current-interruption performance at all current values
    • Epoxy resin poles for greater protection of the interrupters

VACUUM CIRCUIT-BREAKER WITH MAGNETIC DRIVE

  • The magnetic actuator is a bi-stable system with electromagnetic coils for driving the armature and permanent magnet for latching on to the end positions
  • All functions like charging, switching, controlling and self-diagnostics are carried out from an integrated electronic controller
  • Equipped with multi voltage feeder in direct and alternating current

VACUUM CONTACTORS

  • Optimal solution for motor and transformer switching and switching of capacitor bank for power-factor control
  • Fitted with medium voltage fuses according to DIN and BS Standards
  • Availability of operating mechanisms with electric or mechanical latching functions
  • Equipped with multi voltage feeder in direct and alternating current

 


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ABB 11 KV to 33 KV AIS Panels Breaker AIS ABB MV Products
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ABB 11 KV to 33 KV AIS Panels Breaker AIS ABB MV Products

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ABB AIS panel breaker Indoor Panels / Outdoor Kiosks
  • Panels are designed in accordance with ABB’s guidelines and as per IEC / IS Standards.
  • Compact and Robust
  • Cassette mounted CB of ABB make with draw out feature with cubicle front door closed
  • Complies to latest standards of IEC 62271-200
  • Modular structure with metal clad design with inter panel metal segregation
  • Lockable Automatic Safety Shutters for Breaker Compartment Mechanical indication of test and service positions
  • Long mechanical life with sturdy and proven operating mechanism
  • Electrical-pumping
  • Fully Compartmentalized construction with IP4X degree of protection externally and IP2X between compartments for Indoor Type
  • Bus Riser is provided in bus coupler panel itself for panels rated upto 33KV 2000A, leading to floor space saving.

Emphasis on Operator’s safety by:

  • Foolproof mechanical interlock to prevent rack-in and rack-out of closed breaker
  • Independent exhaust vent for all HT compartments
  • Multiple guides for safe, sure and enduring self aligning power contacts
  • Live parts are covered by automatic shutters when breaker is racked out
  • Integral Earthing switch (optional)

MV Air – Insulated Switchgear Range

Medium Voltage family, mirroring all the Construction characteristics of the Standard version

Indoor Type Panels :

Available with current ratings upto 4000A and Short Time Ratings of 26.3/40KA. Panel is designed and type tested to meet the requirements of IEC-60298 / IS :3427. Choice of Aluminium and Copper Busbars

Outdoor Type Kiosks :

Available with current ratings upto 4000A and Short Time Ratings of 26.3/40/44KA. Panel is designed and type tested to meet the requirements of IEC-60298 & IS :3427. Degree of Protection for enclosure upto IP42 For Indoor and IP55 for Outdoor Applications.


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ABB Unigear with single busbar system Breaker AIS ABB MV Products
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ABB Unigear with single busbar system Breaker AIS ABB MV Products

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ABB Unigear with single busbar system Breaker AIS ABB MV Products

MEDIUM VOLTAGE, ARC-PROOF, UNIGEAR AIR-INSULATED SWITCHGEAR

Unigear Air-insulated switchgear, ABB’s medium voltage air-insulated switchgear, is the result of ABB’s global know-how integrated into a single technological solution and is also ABB’s answer to the range of solutions demanded by global markets. The switchgear complies with IEC 62271-200 standards. ‘Made in ABB’, UniGear comes with the same design and quality standards across 5 continents, and offers the best solutions for all installations including power plants, power distribution substations, compact Motor Control Centers, double-level, duplex and special-unit switchgear.

Salient Features

  • Metal-clad, four-sided internal arc-proof construction (IAC AFLR)
  • Designed in conformance with the highest in class for minimum Loss of Service Continuity – ‘LSC-2B with metallic partitions’
  • Constructed with pre-galvanized sheets without welding points, making it the most reliable switchgear in its range
  • REF542 and other high-end communicable relays offer intelligent solutions for all installation requirements
  • It is virtually maintenance-free and all circuit breaker operations can be carried out with the door closed
  • Earthing-switch is provided as an option. It is rated for full making capacity and is provided with safe and reliable position indicators
  • All compartments can be accessed from the front, hence the switchgear can be placed against the wall
  • The switchgear is provided with conventional or integrated protection and measurement systems
  • It is fitted with conventional instrument transformers or new generation sensors

APPARATUS WHICH CAN BE INSTALLED IN UNIGEA R SWITCHGEAR

VACUUM CIRCUIT-BREAKER – CASSETTE VERSION

  • Circuit-breaker for all fields of application
  • Vacuum Interrupters, using radial magnetic field contact system, rotate arc column over the complete contact periphery  to give the best current-interruption performance at all current values
  • Epoxy resin poles for greater protection of the interrupters

VACUUM CIRCUIT-BREAKER – FLOOR-ROLLING VERSION

  • Circuit-breaker for all fields of application
    • Vacuum Interrupters, using radial magnetic field contact system, rotate arc column over the complete contact periphery to give the best current-interruption performance at all current values
    • Epoxy resin poles for greater protection of the interrupters

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ABB AIS T Panels 11KV VCB PANELS Breaker AIS ABB MV Products
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ABB AIS T Panels 11KV VCB PANELS Breaker AIS ABB MV Products

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ABB AIS tpanels 11KV VCB PANELS – Breaker AIS MV Air – Insulated Switchgear Range

ABB AIS Tpanels breaker : Medium Voltage family, mirroring all the Construction characteristics of the Standard version

Indoor Type Panels :

Available with current ratings upto 4000A and Short Time Ratings of 26.3/40KA. Panel is designed and type tested to meet the requirements of IEC-60298 / IS :3427. Choice of Aluminium and Copper Busbars

Outdoor Type Kiosks :

Available with current ratings upto 4000A and Short Time Ratings of 26.3/40KA/44KA. Panel is designed and type tested to meet the requirements of IEC-60298 & IS :3427. Degree of Protection for enclosure upto IP55


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ABB CSS Unit Compact Secondary Substations CSS ABB MV Products
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ABB CSS Unit Compact Secondary Substations CSS ABB MV Products

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Abb css unit – compact secondary substations CSS ABB MV Products

ABB Compact Secondary Substation , CSS is a prefabricated substation, factory-designed, tested and ready-to-install and is fully compliant with IEC 62271-202 (IEC 61330). Our compact substations are engineered to the highest possible standards for personnel safety and aesthetics, designed to help solve problems of footprint and space limitations experienced within dense urban load centers.

ABB Compact Secondary Substation Salient features
  • Modular construction of enclosure provides high degree of flexibility to meet specific site requirements
  • Fully compartmentalized construction for MV switchgear, transformer and LV switchgear
  • Specially designed ventilation system to suit local climatic conditions
  • Appealing aesthetics
  • Safety ensured for operator, public and environment
  • Low life-cycle cost

Product portfolio

Outdoor CSS for secondary distribution up to 36kV configuration

  • MV switchgear
  • Step-down distribution transformer
  • LV switchgear

Outdoor CSS for wind power evacuation at 36kV configuration

  • LV switchgear
  • Step-up distribution transformer
  • MV switchgear

Indoor frame mounted CSS for secondary distribution up to 24kV configuration

  • MV switchgear
  • Step-down dry type distribution transformer
  • LV switchgear
  • Transformer enclosure type-tested for IP2X and enclosure class k10
  • Customized design to suit site conditions
  • Factory-designed and tested interconnections
Advanced construction for CSS enclosure

The enclosure of the outdoor CSS is manufactured using high quality pre-galvanized sheet steel. This provides high resistance to corrosion, which is paramount in outdoor applications. CSS is typically divided into three compartments for – medium voltage switchgear, low voltage switchboard and distribution transformer. The detachable roof with ventilation opening is beam supported and secured at each corner with bolts.

Modular construction

The enclosure’s wall units, roof and doors are constructed using standard modules. Its limiting dimensions are

3830 x 2330 x 2415 mm (L x W x H)

Advantages:

  • High mechanical strength
  • Flexibility in design, different layout possible
  • Appealing aesthetics

Clinching technology

Self-interlocking modules are inter-connected using clinching technology. All load bearing members are of 2 mm thickness and non-load bearing members are 1.5 mm thick. Bolting is used only for the base frame and lifting fittings.


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ABB Medium Voltage Indoor Circuit Breakers SF6 Breaker AIS ABB MV Products
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ABB Medium Voltage Indoor Circuit Breakers SF6 Breaker AIS ABB MV Products

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Medium voltage indoor circuit breakers

SF6 indoor circuit breaker : Vacuum and SF6 gas circuit breaker for safe and reliable electrical power distribution or generation in your application up to 46 kV, 4000 A, 63 kA.

Maximize output and productivity with devices that support the continuous operation of your processes, e.g. three times higher mechanical endurance than the standard.

Protect assets with safe and reliable devices, e.g. generator circuit-breaker type tested to the new global dual logo standard (IEC/IEEE 62271-37-013).

Optimize investments with compact devices and high performance, e.g. 17.5 kV/50 kA circuit breaker with 210 mm pole distance.

ABB’s indoor circuit-breakers have been designed to serve your business needs.

With the wide and globally available portfolio we are able to offer you the right fit for the switching of short-circuit currents, overhead lines and cables under load and no load, transformers and generators, motors, ripple control systems and capacitors – even in parallel.

SF6 indoor circuit breaker IEC indoor SF6 gas-vacuum multifunction apparatus HySec

Making your solution simpler

HySec comprises the functions of three different devices: circuit breaker, line disconnector and earthing switch. It is ideal for use in medium voltage switchgear for secondary distribution.

Key benefits
  • Increased personnel safety thanks to metallic partition class and integrated interlocks
  • Robust mechanical design allowing SF6 sealed-for-life and 10,000 close-open operations , providing a long-lasting solution
  • Panel footprint reduced by more than 30 percent with respect to standard solutions due to integrated multifunctions and compact design
  • Fast and easy assembly inside the panel with only one product to be mounted and connected
  • Reduced panel material by 15 percent and assembly time by 10 percent compared with a standard solution breaker-switch

Key features

  • All-in-one circuit breaker, disconnector and earthing switch
  • Integrated interlocks to prevent unsafe operations
  • Sealed-for-life enclosure filled with SF6
  • Epoxy resin upper cover for compactness; fits 500 mm wide panels
  • Stainless steel lower cover for metallic partition panels without earthing bar
  • Integrated capacitive dividers on cable side for voltage presence indication systems

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ABB Medium Voltage Indoor Circuit Breakers Vd4 Cs Breaker AIS ABB Mv Products
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ABB Medium Voltage Indoor Circuit Breakers Vd4 Cs Breaker AIS ABB Mv Products

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ABB Medium voltage indoor circuit breakers VD4 CS Breaker AIS ABB MV Products

MV indoor circuit breaker : Medium voltage indoor circuit breakers

Vacuum and SF6 gas circuit breaker for safe and reliable electrical power distribution or generation in your application up to 46 kV, 4000 A, 63 kA.

Maximize output and productivity with devices that support the continuous operation of your processes, e.g. three times higher mechanical endurance than the standard.

Protect assets with safe and reliable devices, e.g. generator circuit-breaker type tested to the new global dual logo standard (IEC/IEEE 62271-37-013).

Optimize investments with compact devices and high performance, e.g. 17.5 kV/50 kA circuit breaker with 210 mm pole distance.

ABB’s indoor circuit-breakers have been designed to serve your business needs.

With the wide and globally available portfolio we are able to offer you the right fit for the switching of short-circuit currents, overhead lines and cables under load and no load, transformers and generators, motors, ripple control systems and capacitors – even in parallel.

VD4-CS: one breaker, full control, zero transient Noise-free power quality by safe and reliable switching and protection of capacitor banks

VD4-CS is the unique solution based on new vacuum interrupter technology and an innovative actuation systems up to 38kV, 1250A, 31.5kA and with superior noise-free performances, to support your business needs in reactive power compensation

KEY BENEFITS

  • Inrush elimination thanks to high accuracy in controlled switching technology
  • Up to 5-times higher performance than the market standard with 10,000 maintenance-, inrush- and restrike-free operations.
  • Enables elimination of inrush limiting reactors and resistances, leading to significant cost and space savings
  • Cost saving by as much as 20%, using same ratings, same interfaces of existing MV substation thanks to optimized footprint equivalent to standard distribution breakers
  • Reduced total cost of capacitor bank operation due to elimination of downtime for breaker overhaul and a lifespan 5 times the market standard, with predictive health indication
  • Fast and reliable support thanks to ABB’s global footprint
  • Assets optimization having both circuit-breaker and capacitive switching devices in one single solution
  • Enables increased lifespan of capacitors by more than 10% in e.g. 3 years

KEY FEATURES

  • Embedded advanced diagnostics
  • Up to 38 kV, 1250A, 31.5 kA
  • 10,000 maintenance-free and noise-free operations

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ABB Medium Voltage Indoor Circuit Breakers VD4 G Breaker AIS ABB MV Products
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ABB Medium Voltage Indoor Circuit Breakers VD4 G Breaker AIS ABB MV Products

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  • dium voltage switchgear for the most cost-effective solution due to compact design
  • Highest Generator-fed fault breaking capacity at the same System-fed fault breaking capacity level among competitors
  • Same familiar ABB medium voltage circuit breakers design
  • Cassettes and module systems available for OEMs and panel builders to create their own solutions

Key features

  • Ratings up to 15 kV; …4,000 A; …63 kA for generators up to 100 MVA
  • Vacuum interrupters embedded in poles for protection against humidity, shock and dust
  • Special design allows ultra-demanding breaking current switching without any additional opening
  • Completely type-tested in accordance to the latest IEEE/IEC 62271-37-013 standards

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ABB Medium Voltage Indoor Circuit Breakers VD4 R Breaker AIS
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ABB Medium Voltage Indoor Circuit Breakers VD4 R Breaker AIS

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ABB Medium voltage indoor circuit breakers VD4 R Breaker AIS ABB MV Products

VD4 R circuit breaker : Our product offering covers a wide spectrum of technologies across the entire voltage range including indoor and outdoor circuit breakers, air and gas insulated switchgear, instrument transformers, disconnectors, capacitor banks, reactive power compensators, power and distribution transformers and a range of power distribution products like compact secondary substations (CSS) and ring main units (RMU).

VD4 R circuit breaker Medium voltage indoor circuit breakers

Vacuum and SF6 gas circuit breaker for safe and reliable electrical power distribution or generation in your application up to 46 kV, 4000 A, 63 kA.

Maximize output and productivity with devices that support the continuous operation of your processes, e.g. three times higher mechanical endurance than the standard.

Protect assets with safe and reliable devices, e.g. generator circuit-breaker type tested to the new global dual logo standard (IEC/IEEE 62271-37-013).

Optimize investments with compact devices and high performance, e.g. 17.5 kV/50 kA circuit breaker with 210 mm pole distance.

ABB’s indoor circuit-breakers have been designed to serve your business needs.

With the wide and globally available portfolio we are able to offer you the right fit for the switching of short-circuit currents, overhead lines and cables under load and no load, transformers and generators, motors, ripple control systems and capacitors – even in parallel.

Reliable low-duty protection

VD4/R circuit breakers with lateral operating mechanisms can be used in all medium voltage secondary distribution systems and MV/LV transformer substations in factories, industrial workshops and in the services sector. Thanks to installation (on request) of the self-supplied PR521 overcurrent release with microprocessor, the VD4/R breakers are suitable for use in unmanned MV/LV transformer substations without auxiliary power supply.

Product scope

  • Medium voltage circuit breakers with lateral mechanical actuator (spring mechanism) for secondary distribution, up to 24 kV, 1250 A, 25 kA.

Key benefits

  • The compact medium voltage vacuum circuit breaker solution for low-duty distribution
  • Easy and fast to install thanks to the optional integrated solution: onboard-tested relay and current sensors/trasformers
  • Ideal solution for metal-clad switchgear

Key features

  • Modular spring-operated mechanical actuator ensuring easy operation even without auxiliary supply
  • Interchangeable with HD4/R
  • Performs fast operating cycles

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ABB Medium Voltage Indoor Circuit Breakers Vm1 Breaker AIS ABB Mv Products
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ABB Medium Voltage Indoor Circuit Breakers Vm1 Breaker AIS ABB Mv Products

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ABB Medium voltage indoor circuit breakers VM1 Breaker AIS ABB MV ProductsMedium voltage indoor circuit breakers

VM1 indoor circuit breaker Vacuum and SF6 gas circuit breaker for safe and reliable electrical power distribution or generation in your application up to 46 kV, 4000 A, 63 kA.

Maximize output and productivity with devices that support the continuous operation of your processes, e.g. three times higher mechanical endurance than the standard.

Protect assets with safe and reliable devices, e.g. generator circuit-breaker type tested to the new global dual logo standard (IEC/IEEE 62271-37-013).

Optimize investments with compact devices and high performance, e.g. 17.5 kV/50 kA circuit breaker with 210 mm pole distance.

ABB’s indoor circuit-breakers have been designed to serve your business needs.

With the wide and globally available portfolio we are able to offer you the right fit for the switching of short-circuit currents, overhead lines and cables under load and no load, transformers and generators, motors, ripple control systems and capacitors – even in parallel.

IEC indoor vacuum circuit breaker VM1 Extra performances in demanding duties

VM1 circuit breakers are used in primary power distribution for control and protection of cables, overhead lines, substations, motors, transformers, generators, capacitor banks, etc. in plants in chemical industries, steelworks, automobile industries, airports, large buildings and shopping malls. The magnetic drive activates the moving contacts of the interrupters and integrates all the functions of a traditional drive.

Product scope

  • Medium voltage circuit breakers with magnetic actuator for primary distribution up to 24 kV, 3150 A (4000*), 50 kA.

Key benefits

  • Maintenance-free solution, ideal for highly demanding applications
  • Ideal for applications requiring frequent switching
  • Special version available for fast transfer switch application
  • Electronic board performs diagnostics on circuit-breaker conditions
  • Suitable for a wide range of auxiliary supply voltages

Key features

  • Vacuum interrupters embedded in poles for protection against humidity, shock and dust
  • Magnetic actuator controlled by electronic board and storing capacitors
  • 30,000 mechanical operations on all the ratings

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ABB Ring Main Unit Safelink CB Rmu ABB Mv Products
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ABB Ring Main Unit Safelink CB Rmu ABB Mv Products

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Abb ring main unit – safelink cb RMU ABB MV ProductsABB Safelink RMU , Ring Main Unit (RMU) is a compact, sealed for life metal-enclosed switchgear widely used in Urban Power Distribution Network. . Some of the key features of the RMU includes SF6 gas insulation, compact and modular construction, integral protection system, fully extendable options, and low maintenance.
SF gas insulated switchgear with extremely compact and robustDesign
12 kV, 630 A, 21 kA for 3 sec; metal enclosed design with IP54Degree of protection, suitable for outdoor conditions
Internal arc classified and fully extensible with option of addingStandalone vacuum circuit breakers or ring switches.
type tested according to latest IEC standardsRobotically welded stainless steel tankVacuum circuit breaker with high mechanical endurance of 5000 OperationsMaintenance-free and complete safety for user and pedestrian with noExposure to live parts
All in-built mandatory safety interlocks provided to ensureOperator safety
Manufactured according to ISO 9001 – 14001 and OHSAS 18001Complete solutions including applications for remote control and monitoringRecyclable and very low environmental impactINFORMATION
Ring Main Unit, RMU is a compact, enclosed and sealed type of Switchgear used for medium voltage power distribution. It is a complete Switchgear in itself. A complete Switchgear means, assembly of required switching devices, protection device as well as metering device. RMU of different voltage (mostly 12 kV and 24 kV) and current ratings are available.  Indoor as well as outdoor types of Ring Main Units are available.
Ring Main Unit comprises of one incomer feeder and one or more outgoing feeder. The incomer feeder is either Vacuum Circuit Breaker or SF6 Circuit Breaker with associated Disconnect Switch and Earth Switch. This incomer feeder is given with the provision of bushing protruding from the enclosure of RMU for supply cable connection.
Outgoing feeder comprises of Load Break Switches with associated Disconnect Switch and Earth Switch. Provision for cable connection is provided in outgoing feeder. The Load Break Switch is nothing but an isolator having the capability of breaking the circuit during on load condition.

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ABB Ring main Unit Safe Ring 36 RMU ABB MV Products
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ABB Ring main Unit Safe Ring 36 RMU ABB MV Products

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Abb ring main unit – safering 36 RMU ABB MV Products

ABB Safering 36 RMU , Ring Main Unit (RMU) is a compact, sealed for life metal-enclosed switchgear widely used in Urban Power Distribution Network. . Some of the key features of the RMU includes SF6 gas insulation, compact and modular construction, integral protection system, fully extendable options, and low maintenance.

FEATURES

  • Compact
  • Metal enclosed design
  • Type tested acc. to all relevant IEC standards
  • Manufactured acc. to ISO 9001 and 14001
  • Recyclable and very low environmental impact
  • Maintenance free
  • Arc proof
  • Extensible in both directions
  • No exposure of live parts

Ring Main Unit, RMU is a compact, enclosed and sealed type of Switchgear used for medium voltage power distribution. It is a complete Switchgear in itself. A complete Switchgear means, assembly of required switching devices, protection device as well as metering device. RMU of different voltage (mostly 12 kV and 24 kV) and current ratings are available.  Indoor as well as outdoor types of Ring Main Units are available.

Ring Main Unit comprises of one incomer feeder and one or more outgoing feeder. The incomer feeder is either Vacuum Circuit Breaker or SF6 Circuit Breaker with associated Disconnect Switch and Earth Switch. This incomer feeder is given with the provision of bushing protruding from the enclosure of RMU for supply cable connection.

Outgoing feeder comprises of Load Break Switches with associated Disconnect Switch and Earth Switch. Provision for cable connection is provided in outgoing feeder. The Load Break Switch is nothing but an isolator having the capability of breaking the circuit during on load condition.


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ABB Ring Main Unit SS6 insulated ring main units RMU ABB MV Products
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ABB Ring Main Unit SS6 insulated ring main units RMU ABB MV Products

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Abb ring main unit – sf6 insulated ring main units RMU ABB MV Products

ABB SF6 Insulated RMU – SF6 INSULATED RING MAIN UNITS AND COMPACT SWITCHGEAR – SAFERING AND SAFEPLUS FOR SAFE AND RELIABLE POWER DISTRIBUTION

SF6 Insulated Ring Main Units And Compact Switchgear – Safering And Safeplus

ABB offers a complete solution for 12/24 kV distribution networks. This consists of SafeRing, a Ring Main Unit (RMU) that can be supplied in various configurations and SafePlus, a compact switchgear with unique flexibility. SafePlus offers extendibility and fully / semi modular configuration possibilities. Both the units have identical user interfaces. SafeRing / SafePlus are delivered as a completely sealed system with a stainless steel tank containingall the live parts and the switching equipment. Constant atmospheric conditions in the sealed tank ensures a high level of reliability, safety and a virtually maintenance-free system. As an option in SafePlus, an external busbar can be provided to enable a completely modular configuration. SafeRing and SafePlus can also be fitted with a remote control and monitoring unit and are suitable for both indoor and outdoor applications.

ABB SF6 Insulated RMU Key Features
  • Compact and robust design
  • Minimal moving parts
  • Virtually maintenance free
  • High degree of functionality with integrated features
  • High flexibility
  • Multiple configuration options
  • Enhanced safety
  • Complete solutions including applications
  • for remote control and monitoring

Standard Equipment Supplied With Safering / Safeplus

  • Earthling switches
  • Operating mechanism with integral mechanical
  • Interlocking
  • Operating handle
  • Facilities for padlocks on all switching equipment
  • Bushing for cable connections in front with arc resistant
  • cable covers for utmost operator safety
  • Manometer for SF6 gas pressure monitoring
  • Lifting lug for easy handling
  • All units are designed so that an integrated remote
  • control and monitoring unit can be fitted when required

Applications

  • City Power Distribution
  • Small Industries,
  • Hotels, Shopping Centers, Office Buildings, Business Centers, Etc.
  • Compact Secondary
  • Light Mining  Applications, Tunnels And Underground Railways
  • Wind Turbines

Safeplus And Safering

Voltage And Short Circuit Indicators

As an option these units can be equipped with fixed type or plug-in type voltage indicators as well as electronic short circuit indicators for simple fault indication.

Circuit breaker with relay

When vacuum circuit breakers are used for transformer protection, self-powered microprocessor based over Current and earth fault relay are used. The protection system does not require an external power supply, as the power is taken from the current transformers.


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Abb Transformer Unit Outdoor Dead Tank Circuit Breaker Outdoor Breaker
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Abb Transformer Unit Outdoor Dead Tank Circuit Breaker Outdoor Breaker

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ABB Transformer unit – outdoor dead tank circuit breaker Outdoor Breaker

ABB Transformer unit Outdoor Vacuum Circuit Breakers upto 33KV :
Available in current ratings upto 2500A and Short time withstand current of 31.5 KA/3sec. It is designed and type tested to meet requirements of IEC-60056

Salient Features :
– Porcelain Clad Construction, suitable for outdoor sub-station layouts
– Fully Type Tested
– Guaranteed for long electrical life with proven vacuum interrupters and excellent arc quenching and insulating – properties of vacuum
– Guaranteed for long mechanical life
– Minimal operating energy required enabling use of simple, reliable and proven low energy spring operating mechanism Re-strike free
– Suitable for auto-reclosure duty cycle
– Mechanical Operation counter
– Easy to install-structure mounted, with an option to extend structure for mounting of instrument transformer
– Complete breaker can be shipped as one single unit-no adjustment required at site
– Applications-capacitor switching, distribution networks, arc furnace duty, switching unloaded transformers and reactors

Outdoor SF- 6 Circuit Breakers upto 40KV :
Available in a current rating of upto 2500A and STR of 31.5KA / 3sec. It is designed and type tested to meet requirements of IEC-62271-100.

ABB Transformer unit Applications:

Used in power distribution for controlling and protecting lines, substations and transformer and distribution substations, transformers, rectifier units, capacitor banks etc Thanks to SF-6 AUTOPUFFER breaking technique, they do not generate over voltages and are therefore highly suitable for retrofitting, upgrading and enlarging older installations where the insulating materials of the cables and apparatus may have been stressed during service.

OPERATION

CLOSING-

In the open position, the magnetic actuator’s armature rests against the bottom plate in the actuator assembly. The armature is held there by the force developed by the magnet. When the top coil is energized, the magnetic flux generated is in the same direction as the magnet assembly. The armature is drawn into the coil and brought into contact with the upper plate. In this position, the coil is de energized and the armature is held in position by the magnets alone. As the armature is drawn into the coil, the operating rod, which is attached to the top guide rod, moves the moving contact of the vacuum interrupter towards the closed position. The actuator has more stroke than the vacuum interrupter and the interrupter contacts make contact before the actuator has completed the stroke. The additional movement of the operating rod after the contact closing causes the contact pressure spring to compress at the top of the operating rod. This wipe allows for contact wear in service.

OPENING –

When the bottom coil is energized, the magnetic flux opposes the force generated by the magnet assembly. This reduces the holding force, the armature is released and the coil attracts the armature to the bottom plate. Once there, it is held open by the magnet.

Key benefits

  • Compatible with all forms for overcurrent, reclosing and control functions
  • Reduced maintenance with magnetic actuator and easy plug-and-play actuator circuitry
  • Durable design exceeds ANSI C37.06 standard with a rating of 10,000 mechanical or load operations

Key features

  • Dead tank solution
  • Designed and type tested based on latest ANSI standards
  • 15/27/38 kV rating classes and up to 3,700 A continuous current
  • Up to 40 kA short-circuit interrupting current
  • Five-year full warranty

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ABB Transformer Unit Outdoor Live Tank SF6 Circuit Breaker Outdoor Breaker
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ABB Transformer Unit Outdoor Live Tank SF6 Circuit Breaker Outdoor Breaker

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ABB Transformer unit – outdoor live tank SF6 circuit breaker Outdoor Breaker

The live tank circuit breaker, OHB medium voltage circuit-breakers for outdoor installation use sulphur hexafluoride gas (SF6) to extinguish the electric arc and as the insulating medium. Breaking in SF6 gas takes place without current chopping or generation of over voltages. These characteristics guarantee a long electrical life for the circuit-breaker and limited dynamic, di-electric and thermal stresses on the installation. The stored energy and free release mechanical operating mechanism allows opening and closing operations through local and remote control. The operating mechanism, the activating kinematics of the moving contacts and the anti-condensation heater are located inside a tight metal enclosure which also acts as the support for the poles.

The above-mentioned structure is supported by a frame made of metal sections, to mount the circuit breaker on foundation. The circuit breaker is compact and ensures a high level of sturdiness and excellent mechanical reliability. The enclosure is made out of a steel plate with adequate surface protection by a special metallizing and painting process. The support structures are hot dip galvanized.

Fields of application

OHB circuit-breakers are used in power distribution for control and protection of lines and for control and protection of transformers, rectifier units, capacitor banks, etc. Due to the SF6 autopuffer breaking technique, the OHB circuit-breakers do not generate overvoltage during switching, and are therefore also highly suitable for retrofitting, upgrading and enlarging older installations where the insulating materials of the cables and apparatus may have already been stressed during service.

Standards and approvals

The OHB circuit-breakers comply with the IEC 62271-100 standard as well as of other major industrialised countries. They have undergone the tests indicated below and

ensure service safety and reliability of the apparatus in all installations.

Type tests:

– Temperature rise test

– Di-electric test

– Short circuit test duties

– Short time current test

– Mechanical endurance test

Routine tests:

– Power frequency voltage with stand test

– Insulation test on auxiliary and control circuits

– Measurement of main circuit resistance

– Mechanical and electrical operation test

Service safety The mechanical and electrical locking devices have been  provided to prevent incorrect operations and to carry out inspection of the installations while guaranteeing maximum



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ABB Transformer Unit Distribution Transformer ABB MV Products
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ABB Transformer Unit Distribution Transformer ABB MV Products

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ABB Transformer unit- distribution transformer ABB MV Products

ABB DISTRIBUTION TRANSFORMER UNIT AND GRID LOSSES

With their widespread application and continuously energized state, distribution transformer losses make up a considerable fraction of the total losses incurred in distribution systems. Even a minor increase in transformer efficiency would lead to significant energy savings. Two types of transformer losses are commonly evaluated for loss reduction: core or no-load losses and coil or load losses. Transformer no-load losses can be reduced by using superior grade magnetic core steel materials or optimizing their geometries. However this may increase load losses and vice-versa. Transformer loss reduction is therefore an optimization process involving physical, technological, and economical factors tempered by life-cycle performance analysis. ABB transformer designs make evaluations for maximizing efficiency, taking into account initial cost of the transformer as well as life cycle costs including losses.including losses.

ABB – THE LARGEST SINGLE MANUFACTURER OF DISTRIBUTION TRANSFORMERS

ABB transformers are providing faultless service for over five decades across the world and offer solutions for every need including urban, industrial and rural applications.

In 23 facilities spread across the world, ABB manufactures oil type distribution transformers for indoor and outdoor applications, dry type for reliability and efficiency under critical conditions and transformers for special applications such as for variable speed drives, pad mounted and Booster Transformers

OIL FILLED, POLE AND PLINTH MOUNTED DISTRIBUTION TRANSFORMERS

10 kVA, 6.35kV/240V 1 phase distribution transformer

  • Completely self-protectedwith HV expulsion fuse, LVMCCB and surge arrestor
  • Hermetically sealed
  • Powder coatingpolyurethane liquid paint ontank

25 kVA, 11kV/433V, 3 phase distribution transformer

–Side mounted HV & LV bushings

–Low loss design

–Polyurethane liquid painton tank

 63 kVA, 11kV/433V, 3 phase distribution transformer
  • Tank cover mounted core-coil assembly
  • Top mounted HV & LV bushings
  • Conservator and press edsteel radiators
  • Low loss and low temperature rise design
  • Polyurethane liquid painton tank and radiators

630 kVA, 11kV/433V, 3 phase distribution transformer

  • Breather, Buchholz relay
  • pressed steel radiators

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ABB Transformer Unit- Dry Type Transformer ABB MV Products
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ABB Transformer Unit- Dry Type Transformer ABB MV Products

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ABB Transformer unit- dry type transformer ABB MV Products

ABB dry type transformer is applicable in indoors otherwise outdoors like a commercial, utility, industrial applications. There are various types of electrical devices or components available where some of them operate with the same frequency although the transformer is required for different voltage otherwise current requirements. The main function of a transformer in an electrical circuit is to increase or decrease currents/voltages. There are different types of transformers available in the market but the “Dry Type Transformer” is recommended due to some benefits as inexpensive, more efficient and they have safety features. These transformers also called cast resin type transformers.

IMPORTANT FACTORS

There are many important factors need to consider while designing this type of transformer, they are

  • Selection of Type of Insulation
  • Expectancy of Life
  • Core Material Selection with Less Hysteresis Loss
  • Level of Insulation
  • Losses
  • Winding Material Selection
  • Regulation
  • K-factor
  • Overloading
TESTING

In this transformer, insulation breakdown is the most frequently occurred failure which results in severe faults like earth faults or phase-phase winding. Based on the tests only the condition of insulation for the component parts in the transformer like core, windings, and bushings can be determined. In oil type transformer, the condition of winding insulation can be determined by using the common method like dissolved gas analysis but it cannot be achievable in dry-type transformers. There are different tests that include the following.

  • Tests for partial discharge
  • Insulation resistance tests
  • Analysis of frequency response
  • Polarization index tests
  • Thermographic surveys
  • Measurement tests for dielectric loss angle
  • Acoustic emission tests
Advantages of ABB Dry Type Transformer

THE ADVANTAGES ARE

  • It is pollution-free
  • These are used in the areas of contaminated and damped
  • Installation is simple
  • They are long last because of the dielectric heating & low thermal
  • Protects the property & people
  • For short circuit currents, they have high resistance
  • Low Side clearance
  • Performance is excellent
  • Capacity is high to support overloads
APPLICATIONS OF DRY TYPE TRANSFORMER

The applications are

  • They are used in different industries like gas, chemical, and oil
  • These are used in water protection areas which are sensitive environmentally
  • Forests
  • Used in substations of inner cities
  • Substations like indoor as well as underground
  • Renewable generation

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ABB Unigear Type Zn1 Breaker AIS ABB MV Products
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ABB Unigear Type Zn1 Breaker AIS ABB MV Products

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ABB Unigear type zn1 Breaker AIS ABB MV Products

ABB Unigear type ZN1 – an innovative switchgear for power Distribution requirements

ABB ZN1 primary distribution switchgear is designed to meet the specific needs of the Indian market, with key features such as a compact construction, low maintenance design and an internal arc withstand current rating of 26.3 kA for 1 second that is unique in this sector. The ZN1 range provides an access to the quality, reliability, safety, performance and high level of technical support associated with ABB’s global brand.

ZN1 Switchgear

ABB’s medium voltage switchgear ZN1 contains our knowhow and expertise on air insulated switchgear, and is designed to meet the specific needs of our customers. ZN1

comes with the very best of design and quality built-in to deliver an ideal solution for a wide variety of power distribution needs.

ABB Unigear type ZN1 Key features

–– Switchgear conforms to IEC 62271-200

–– Designed for classification LSC2B – PM

–– Designed for fast and easy installation

–– Constructed using aluminium zinc coated steel and pre galvanised sheets making it a highly reliable switchgear

–– Extensible on both sides

–– Encapsulated PTs with built in fuses

–– Cable termination height of 600 mm

–– Factory assembled integral gas duct

–– Simple maintenance

–– Compact and space saving solution with reduced footprints

–– Fitted with conventional instrument transformers

–– Can be offered with ABB’s REF601,REJ601 and other numerical relays for intelligent protection solutions

Safety

–– Internal arc-proof construction conforming to the classification IAC AFLR up to 26.3kA,1 sec

–– Closed door rack-in and rack-out of circuit breaker ensuring full safety to the operating personnel

–– Fitted with standard safety interlocks

–– Provisions of padlocks on shutter, circuit breaker compartment doors, rack in handle insertion

VInd – Vacuum circuit breaker

–– Conforms to IEC 62271-100

–– Floor rolling circuit breaker

–– Continuous rated closing and tripping coils

–– Modular circuit breaker mechanism for fast and easy maintenance

–– Integral spring charging handle

–– Suitable for E2,M2 & C2 (single capacitor bank) class applications

–– In-built mechanical anti-pumping device

 

ZN1 with single busbar system


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