The contactor is rated 52 A at 480 V AC-3, which covers the majority of 30–40 hp motor applications at that voltage.
Maximum switching rate varies by duty: 1,000 cycles per hour at AC-1 (resistive), 800 at AC-3 (motor start/run), 600 at AC-2 (slip-ring motor), and 250 at AC-4 (plugging/inching). Arcing time spans 10 to 20 ms, and the contactor's opening time at AC is 10 to 18 ms. Those numbers matter for coordination with upstream short-circuit protection — the breaker or fuse needs to clear before the contactor welds on a fault.
The S2 footprint is 55 mm wide, 114 mm tall, and 130 mm deep. Wire range for main contacts accepts two conductors per clamp: 0.5 to 1.5 mm² or 0.75 to 2.5 mm² solid or stranded. That covers standard panel wiring up to 12 AWG.
