The coil is rated for 20–33 VDC, with a pickup threshold of 0.8 × rated value and a dropout at 1.1 × rated value, ensuring reliable operation across a typical 24 VDC control bus. Spring-type terminals on the coil simplify wiring and reduce maintenance time. Main contacts are configured as 3-pole (normally open), with an auxiliary switch integrated into the assembly.
Switching performance and duty-cycle limits
Maximum switching frequency varies by duty: 700 cycles/h for AC-1 (resistive), 500 cycles/h for AC-3 (squirrel-cage motors), and 150 cycles/h for AC-4 (plugging/inching). AC-3e rating matches the AC-3 figure at 500 cycles/h. These limits define the thermal capacity per hour — exceeding them risks overheating the contactor. Auxiliary contact ratings are specified for DC switching: 10 A at 24 V, 2 A at 48 V, 2 A at 60 V, 1 A at 110 V, 0.9 A at 125 V, and 0.3 A at 220 V. These values govern the inductive load capacity of the auxiliary circuit.
Mounting, clearances, and environmental range
Dimensions: 114 mm height, 55 mm width, 130 mm depth. Wire size for spring-type terminals accepts 2 × 0.5 to 2.5 mm² solid or stranded conductors.