CIRCUIT-BREAKER VL 1250H HIGH BREAKING CAPACITY ICU=70KA / 415 V AC 4 POLE, LINE PROTECTION ELECTRONIC TRIP UNIT ETU20, LSI IN=1250A, RATED CURRENT IR=500-1250A, OVERLOAD ISD=1,5TO9XIR, II=10XIN SHORT-CIRCUIT N PROTECTED WITHOUT AUXILIARY RELEASE ETU COMMUNICATION-CAPABLE