CIRCUIT-BREAKER VL 1600H HIGH SWITCHING CAPACITY ICU=70KA / 415 V AC 4 POLE, LINE PROTECTION OVERCURRENT RELEASE ETU20, LSI IN=1600A, RATED CURRENT IR=640-1600A, OVERLOAD ISD=1,5TO8XIR, II=9XIN SHORT-CIRCUIT N NOT PROTECTED WITHOUT AUXILIARY RELEASE AUXILIARY SWITCH KIT 4HS(2NO+2NC)