The AC-3 rated operating voltage maximum of 690 V defines the highest line voltage for switching squirrel-cage motors. At 690 V, the contactor handles the inductive motor load without excessive contact wear. For lower voltages (400 V, 230 V), the switching capacity improves — the part carries 6 A at 230 V, 3 A at 400 V, and 1 A at 690 V. Coil power draw is modest: 0.8 W closing, 0.27 W holding at DC. The coil accepts 110 V AC at both 50 and 60 Hz. Mechanical endurance is supported by switching rates up to 750 operations per hour at AC-3 and 250 at AC-4.
Integration and protection
The contactor accepts auxiliary switch extensions (product extension auxiliary switch: yes), so you can add feedback contacts for status monitoring without changing the base unit. Screw-type terminals accept 2x (0.5 to 1.5 mm²) solid or stranded, or 2x (0.75 to 2.5 mm²) finely stranded with ferrules. For short-circuit protection, use gL/gG NH 3NA fuses: 20 A for type 2 coordination (no damage to the contactor), 35 A for type 1 (contactor may need replacement after fault). Operating temperature range is -10 to +55 °C, storage from -25 to +70 °C. Shock resistance is 9.8g at 5 ms and 5.9g at 10 ms — adequate for most industrial panels but not for high-vibration applications like near large presses.