CIRCUIT-BREAKER VL160X N STANDARD SWITCHING CAPACITY ICU=40KA / 415 V AC 4 POLE, LINE PROTECTION OVERCURRENT RELEASE TM, LI IN=50A, RATED CURRENT IR=50A, OVERLOAD II=600A, SHORT-CIRCUIT N NOT PROTECTED WITHOUT AUXILIARY RELEASE AUXILIARY/ALARM SWITCH KIT 2HS(1NO+1NC)+1AS(1NO)