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switchgear switchgear - UNIGEAR R


Single-phase air-insulated medium voltage switchgear for railway power supply
ABB UniGear R switchboards are constructed by positioning single-phase air insulated cubicles side by side. Circuit breaker panels house withdrawable vacuum single-phase circuit breaker intended for railway power supply.

UniGear R switchgear panels comply with the standards and specifications for factory assembled, metal-clad and type tested high voltage switchgears to IEC publications 60298 and 60694.

Every cubicle is divided into various compartments both for power equipment (busbar, circuit breaker, cable compartment) and for auxiliaries (low voltage compartment, wiring ducts for interconnections), which are segregated by metal partitions. This design ensures personal and equipment safety in case of internal arc-fault.
UniGear product range

Rated voltage 36 and 40.5 kV, rated frequency 16.7 and 50 Hz
Key benefits

Easy to adapt and integrate to suit various customer requirements
Highest level of protection for personnel as well as equipment
No SF6 gas, reducing the risk of human error, easy installation and limited HV testing required during the commissioning phase
Maintenance free components, maintenance and service of circuit breakers without shutdown
Highest reliability of supply, long lasting and durable

Other ABB Low voltage products and systems products

Railway switchgear