withdrawable circuit breaker, without guide frame, IEC 60947-2, size 1, 4-pole, N pole on right, In=4000 A, breaking capacity E, without internal voltage tap up to 1150 V, 70 kA, AC 50/60 Hz, Icu=130/125 kA at 690/1000 V, tripping unit ETU300 LSI optimized for standard applications, without display, basic protection LT, ST, INST, including protection of the N conductor (internal neutral point sensor available) trip alarm switch (1 x CO),