CIRCUIT-BREAKER VL 1600H HIGH BREAKING CAPACITY ICU=70KA / 415 V AC 3 POLE, LINE PROTECTION ELECTRONIC TRIP UNIT ETU20, LSI IN=1600A, RATED CURRENT IR=640-1600A, OVERLOAD ISD=1,5TO8XIR, II=9XIN SHORT-CIRCUIT WITHOUT AUXILIARY RELEASE ETU COMMUNICATION-CAPABLE