circuit breaker VL1600H high breaking capacity Icu=70kA, 415V AC 3-pole, line protection trip unit ETU12, LIG 3 phases/3 lines In=1600A, rated current IR=640...1600A, overload protection, II=1.25 to 9 xIN, protection, without auxiliary release ETU communication-capable Auxiliary switch installation kit 4 AUX (2 NO + 2 NC)