It's the part you add to a contactor or a contactor assembly when you need more signal feedback or control interlocks — no coil, no main power path, just reliable contact switching for your PLC inputs, status lamps, or safety chain. Rated 10 A at 24 V, 6 A at 230 V, and 3 A at 400 V, these contacts handle the typical control-circuit loads you'll find in a panel: pilot devices, relay coils, and indicator circuits. The mechanical life of 10 million operations means it'll outlast most of the machines it's wired into.
Mounting and wiring reality
The 45 mm width and 114 mm depth are standard for the size; plan for that in your duct and gland-plate layout. IP20 front protection.