The SPAJ 140C Combined Overcurrent and Earth-faultRelays provides your medium voltage network with an optimized composition of protection functions within one relay.
The RET 541/3/5 Transformer Terminals are designed for the protection, control, measurement and supervision of two-winding power transformers and power generator transformer blocks in distribution networks
REM 610 is a versatile multifunction protection relay designed for the protection of medium and large standard MV asynchronous motors in a wide range of motor applications. The typical area of usage is from 500 kW to 2 MW.
The REF 610 Feeder Protection Relay is ABB’s new and advanced solution for cost-efficient feeder protection. This multipurpose overcurrent and earthfault relay has been specially developed for utility,industrial and marine applications.
The REF 541/3 /5 feeder terminals are designed to be used for protection, control, measurement and supervision of medium voltage networks. They can be used with different kinds of switchgear including single busbar, double busbar and duplex systems.
The feeder protection relay REX 521 is designed for protection, control, measuring and supervision in medium voltage networks and for protection of large or mediumsize three-phase a.c. motors in circuit breaker controlled
motor drives. Especially for Chinese market, there are two configuration solution which has full Chinese menu and can be applicable for feeder and motor protection,respectively

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