CIRCUIT-BREAKER VL 630H HIGH SWITCHING CAPACITY ICU=70KA / 415 V AC 3 POLE, LINE PROTECTION OVERCURRENT RELEASE ETU20, LSI IN=630A, RATED CURRENT IR=252-630A, OVERLOAD ISD=1,5TO9XIR, II=10XIN SHORT-CIRCUIT without auxiliary release Auxiliary switch installation kit 4 AUX (2 NO + 2 NC)