ABB REX521 Feeder Protection Relay Network Processing Module the TK-PRR021 51309288-275 is also

the TK-PRR021 51309288-275 is also highly efficient

or protection against overloads and faults

3BSC610067R1 SD834

allowing for precise control of analog devices

electrical connections

ABB REX521 Feeder Protection Relay Network Processing Module the TK-PRR021 51309288-275 is alsoKey Features and Specifications: Model: REX 5211 Manufacturer: ABB Description: Feeder Protection Relay Applications: Incoming and outgoing feeders as well as substation protection Protection Functions: 3 phase non directional overcurrent protection, 3 stages Non directional earth fault protection, 3 stages 3 phase transformer inrush and motor start up current detector Phase discontinuity protection 3 phase thermal protection Auto reclose function