CIRCUIT-BREAKER VL 1250L VERY HIGH BREAKING CAPACITY ICU=100KA / 415 V AC 4 POLE, LINE PROTECTION ELECTRONIC TRIP UNIT ETU12, LIG IN=1000A, RATED CURRENT IR=400-1000A, OVERLOAD II=1,25TO11XIN, SHORT CIRCUIT N PROTECTED WITHOUT AUXILIARY RELEASE ETU COMMUNICATION-CAPABLE