Terminals accept 2×(0.75…2.5 mm²) solid or stranded, or 2×4 mm², with M3 screws on the main contacts.
Ratings & What They Mean
The 100 kA breaking capacity at 240 V, 400 V, 500 V, and 690 V AC means this breaker can safely clear a bolted fault up to that level without needing a backup fuse — it's a self-protected device for most industrial supply transformers. The Class 10 trip curve is the standard for general-purpose squirrel-cage motors; if you're protecting a high-inertia load (centrifuge, crusher) that needs a longer acceleration ramp, you'd want a Class 20 or 30, but for pumps, fans, and conveyors this is the right call. Maximum operating frequency is 15 switching cycles per hour in AC-3 and AC-3e duty — that's the thermal limit of the bimetal, not the mechanical endurance.