CIRCUIT-BREAKER VL 160L VERY HIGH SWITCHING CAPACITY ICU=100KA / 415 V AC 4 POLE, LINE PROTECTION OVERCURRENT RELEASE TM, LI IN=50A, RATED CURRENT IR=40-50A, OVERLOAD II=300-600A, SHORT CIRCUIT N NOT PROTECTED WITHOUT AUXILIARY RELEASE AUXILIARY SWITCH KIT 2HS(1NO+1NC)