withdrawable circuit breaker, without guide frame, IEC 60947-2, size 2, 4-pole, N pole on right, In=3600 A up to 690 V AC 50/60 Hz, breaking capacity S Icu=66/50 kA at 500/690 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),