ABB REX521CHHPSH02D RELAYProduct Type
Relay
Usage
Electrical Protection
Color
White
About ABB REX521CHHPSH02D RELAY
ABB REX521CHHPSH02D RELAY
Thefeeder protection relayREX 521 is designed for protection, control, measuring and supervision in medium voltage networks and for protection of large or medium-size three-phase a.c. motors in circuit breaker controlled motor drives. Typical applications include incoming, outgoing feeders and motor feeders as well as substation protection.