CIRCUIT-BREAKER VL 1250N STANDARD BREAKING CAPACITY ICU=55KA / 415 V AC 4 POLE, LINE PROTECTION ELECTRONIC TRIP UNIT ETU20, LSI IN=1000A, RATED CURRENT IR=400-1000A, OVERLOAD ISD=1,5TO10XIR, II=11XIN SHORT-CIRCUIT N PROTECTED UNDERVOLTAGE RELEASE 380 - 415 V AC AUXILIARY/ALARM SWITCH KIT 2HS(1NO+1NC)+1AS(1NO) STORED ENERGY OPERATOR MOUNTED 220-250V AC/DC