withdrawable circuit breaker, with guide frame, IEC 60947-2, size 1, 3-pole, In=800 A up to 690 V AC 50/60 Hz, breaking capacity H Icu=100/66 kA at 500/690 V, ETU300 LSI G electronic trip unit optimized for standard applications, without display, basic protection LT, ST, INST, GF, neutral conductor protection requires an external neutral point current sensor, trip alarm switch (1 x CO), connection at rear, top flange, horizontal at bottom, guide frame with shutter, without position signaling switch