Technical Specifications General / Mechanical Contactor type: 3-pole power contactor, block (non-reversing IEC) Main contacts: 3 × normally-open (NO) contacts Auxiliary contacts: 1 NO + 1 NC auxiliary contact Rated main circuit voltage: up to 1000 V AC Frame / Series: AF1650 Termination: Screw or bar (bus-bar capable) main-circuit connection Dimensions (approx): Width 438 mm, Depth 244 mm, Height 392 mm Weight (net): ~ 33 kg Coil / Control Circuit Control (coil) voltage (Uc): 100–250 V AC (50/60 Hz) or 100–250 V DC Coil type: Electronic wide-range AF coil — tolerant of control-voltage variation, with built-in surge suppression Coil allows same unit to be used under different supply/control voltages without coil replacement Main Circuit Ratings & Performance Thermal / Continuous Load (AC-1 / General Loads): Conventional free-air thermal current (I_th): 1650 A (at 40 °C ambient) Rated operational current (I_e, AC-1): 1650 A @ 1000 V or 690 V at 40 °C 1450 A @ 1000 V or 690 V at 55 °C 1270 A @ 1000 V or 690 V at 70 °C Motor / Inductive Load (AC-3): Rated operational current (I_e, AC-3): ~1050 A at 220/230/240 V, 380/400 V, 415 V, 440 V (55 °C) ~950 A at 500 V (55 °C) ~950 A at 690 V (55 °C) Rated motor power (P_e, AC-3): ~315 kW at 220/230/240 V ~560 kW at 380/400 V ~630 kW at 415 V ~710 kW at 440–500 V ~1000 kW at 690 V ~600 kW at 1000 V Making capacity (AC-3): up to 10 × I_e (i.e. 10 × rated motor current) Short-Time & Short-Circuit Ratings Short-time withstand current (I_cw), cold state, 40 °C ambient free air: 10 s → 10,000 A 1 s → 12,000 A 30 s → 7,500 A 1 min → 5,500 A 15 min → 2,200 A Maximum breaking / making capacity: up to 12,000 A (depending on load power factor) Electrical / Environmental & Usage Conditions Suitable for switching AC resistive, inductive loads, motor circuits, general power circuits up to 1000 V Ambient temperature range (with thermal overload relay): –25 °C to +50 °C Ambient temperature range (without thermal overload relay): –40 °C to +70 °C Storage temperature: –40 °C to +70 °C Maximum permissible installation altitude: 3000 m Coil terminal protection: IP20; Main terminals (when open): IP00 Design & Features Wide-range AF electronic coil — no need to change coil for different control voltages (AC or DC) Built-in surge suppression — provides reliability under voltage dips or unstable supply Modular block-type design — easy integration in switchgear, with possibility to add auxiliary contact blocks and other accessories Robust main contacts and bus-bar capable connections — suitable for heavy-duty circuits, high-current and high-power switching