Rated for 50 Hz and 60 Hz operation, it carries AC-3 switching capacity at up to 1 000 operations per hour, making it suited for frequent motor starting in conveyor, pump, and fan duty.
The main current circuit uses screw-type terminals, accepting solid conductors 2x (0.25... 2.5 mm²) and stranded 2x (10... 50 mm²). That terminal range covers standard motor power wiring up to about 37 kW at 500 V and 18.6 kW at 690 V — the ratings that govern real motor branch circuits. IP20 on the front with cover or box terminal means the front face is touch-safe inside a closed panel; the terminal area itself is IP00, so it expects enclosure protection against dust and tools. Pollution degree 3 confirms it tolerates conductive dust in typical industrial environments.
Integration notes
Width is 70 mm, height 146 mm, depth 139 mm. Mechanical life typical is 10 000 000 operations; arcing time is 10 to 15 ms at AC, and the coil pickup time is 10 to 19 ms. These numbers matter when sequencing contactors in a reversing or star-delta starter — the overlap window is tight enough to avoid a shoot-through if the auxiliary contacts are correctly interlocked.