CIRCUIT-BREAKER VL 160N STANDARD BREAKING CAPACITY ICU=55KA / 415 V AC 4 POLE, LINE PROTECTION ELECTRONIC TRIP UNIT ETU20, LSI IN=63A, RATED CURRENT IR=25-63A, OVERLOAD ISD=1,5TO10XIR, II=11XIN SHORT-CIRCUIT N PROTECTED WITH SCREW CONNECTION WITHOUT AUXILIARY RELEASE ETU COMMUNICATION-CAPABLE