IDA-EV
RCCB with 6 mAdc supervision type ...
Residual current relay Type A
P17321.
IDA-EV-40-30, Residual current relay Type A;Poles: 4;In (A): 40 A;Sensitivity: 30 mA + 6 mAdc;Mounting: DIN rail
P17322.
IDA-EV-63-30, Residual current relay Type A;Poles: 4;In (A): 63 A;Sensitivity: 30 mA + 6 mAdc;Mounting: DIN rail