CIRCUIT-BREAKER VL 250N STANDARD BREAKING CAPACITY ICU=55KA / 415 V AC 4 POLE, LINE PROTECTION ELECTRONIC TRIP UNIT ETU20, LSI IN=250A, RATED CURRENT IR=100-250A, OVERLOAD ISD=1,5TO10XIR, II=11XIN SHORT-CIRCUIT N UNPROTECTED WITHOUT AUXILIARY RELEASE AUXILIARY SWITCH KIT 2HS(1NO+1NC)