CIRCUIT-BREAKER VL 1250H HIGH SWITCHING CAPACITY ICU=70KA / 415 V AC 4 POLE, LINE PROTECTION OVERCURRENT RELEASE ETU20, LSI IN=1000A, RATED CURRENT IR=400-1000A, OVERLOAD ISD=1,5TO10XIR, II=11XIN SHORT-CIRCUIT N NOT PROTECTED WITHOUT AUXILIARY RELEASE WITHOUT AUXILIARY/ALARM SWITCH