CIRCUIT-BREAKER VL 400N STANDARD BREAKING CAPACITY ICU=55KA / 415 V AC 4 POLE, LINE PROTECTION ELECTRONIC TRIP UNIT ETU20, LSI IN=315A, RATED CURRENT IR=128-315A, OVERLOAD ISD=1,5TO10XIR, II=11XIN SHORT-CIRCUIT N PROTECTED WITHOUT AUXILIARY RELEASE AUXILIARY/ALARM SWITCH KIT 2HS(1NO+1NC)+1AS(1NO)