The 45 mm width and 85 mm height fit a compact footprint; depth is 101 mm including the terminals. The coil draws 5.4 W during both closing and holding, so the thermal load on the control transformer stays constant. Rated operating range is 0.8 to 1.1 times the rated voltage — at 24 VDC that means pickup is guaranteed down to about 19.2 V and the coil can ride through up to 26.4 V without damage.
Motor Switching Ratings and Coordination
For motor duty, this contactor is rated at AC-2 at 400 V for 4 kW and AC-4 at 400 V for 8.5 A. AC-2 covers slip-ring motor starting; The AC-12 maximum operational current is 10 A for resistive loads in the control circuit. Type 1 coordination requires a 63 A gL/gG fuse upstream; Type 2 coordination requires a 25 A gL/gG fuse. The difference matters for panel design: Type 2 coordination limits contactor damage under short circuit so the contactor remains usable after a fault, while Type 1 allows replacement.
Main current circuit uses screw-type terminals accepting 2x (0.5 to 1.5 mm²), 2x (0.75 to 2.5 mm²), or max 2x (0.75 to 4 mm²) solid or stranded wire. Auxiliary and control circuit terminals accept 2x (1 to 2.5 mm²), 2x (2.5 to 6 mm²), or max 2x 10 mm². AWG equivalents for main contacts are 2x (16 to 12), 2x (14 to 10), or 1x 8; for auxiliary contacts 2x (20 to 16), 2x (18 to 14), or 1x 12.