It carries a rated operational current of 1000 A at ≤440 V AC in AC-3 duty (1250 A conventional free-air thermal current Ith at 40 °C), and can switch motors up to 670 kW at 440 V or 560 kW at 380-400 V three-phase. The coil is rated 265-277 V AC at 40-400 Hz, with closing time 40-80 ms and opening 100-200 ms.
Mounts to a plate (not DIN rail) — plan for the footprint: 438 mm wide, 332 mm tall, 238.6 mm deep. Power connections use bars (3 or 4 cables); control wiring is screw-clamp terminals accepting 1-4 mm² flexible or solid. The front face carries IP20 protection with shrouds per IEC 60529 and VDE 0106. Operating altitude up to 3000 m without derating; ambient air temperature for operation -5 to 40 °C, with permissible extended range -40 to 60 °C around the device.
Conforms to IEC 60947-1, IEC 60947-4-1, EN 60947-1, and EN 60947-4-1. Rated insulation voltage 1000 V per IEC 60947-4-1 (1500 V per VDE 0110 group C), impulse withstand voltage 8 kV, overvoltage category III. Short-time withstand current 10 kA for 10 s at 40 °C. Protective treatment TH for tropical environments.