That 100 kA rating holds at 400/415 V and even at 690 V, so this part covers high-fault installations without needing a current-limiting upstream breaker.
This 3-pole breaker clips onto a 35 mm symmetrical DIN rail or mounts to a panel with two M4 screws. Power connections accept up to 6 mm² solid or 4 mm² flexible with ferrule, torqued to 1.7 N·m.
Motor protection specifics
Rated at 0.63 A, this breaker protects motors drawing up to 0.12 kW at 400/415 V AC or 0.37 kW at 690 V AC. The magnetic trip threshold is set at 9.3 A — roughly 15× In — so it clears short-circuits fast without nuisance tripping on motor inrush. Phase failure sensitivity is built in per IEC 60947-4-1, meaning it will trip if one phase drops out, preventing single-phasing damage. Electrical durability is rated at 100,000 cycles under AC-3 duty at 415 V, matching typical motor-starting service life.
