CIRCUIT-BREAKER VL 1250N STANDARD BREAKING CAPACITY ICU=55KA / 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 UNDERVOLTAGE RELEASE 220 - 250 V AC AUXILIARY/ALARM SWITCH KIT 2HS(1NO+1NC)+1AS(1NO)