CIRCUIT-BREAKER VL 1250L VERY HIGH BREAKING CAPACITY ICU=100KA / 415 V AC 3 POLE, LINE PROTECTION ELECTRONIC TRIP UNIT ETU20, LSI IN=1250A, RATED CURRENT IR=500-1250A, OVERLOAD ISD=1,5TO9XIR, II=10XIN SHORT-CIRCUIT SHUNT RELEASE 208 - 277 V AC AUXILIARY/ALARM SWITCH KIT 2HS(1NO+1NC)+1AS(1NO)