Fixed-type circuit breaker, size 2, 3-pole, In=2000A ... 690V AC 50/60Hz, breaking capacity H Icu=100/85kA at 500/690V, ETU600 LSI trip unit, upgradeable, color display, Bluetooth, USB interface, basic protection LT, ST, INST, neutral conductor requires external N current sensor, trip signaling contact block (1 CO), horizontal rear connections with internal voltage tap on the upper main current paths, with VTM680 module