ABB RET650 SMALL PROTECTION RELAY (ONLY DISPLAY) Description
About ABB RET650 SMALL PROTECTION RELAY (ONLY DISPLAY)
ABB RET650 SMALL PROTECTION RELAY (ONLY DISPLAY)
RET650 offers the best possible coverage for power transformer winding turn-to-turn faults and the unique negative sequence internal/external fault discriminator is faster than a conventional stabilized transformer differential protection function.