Technical Specifications General / Mechanical Contactor type: 3-pole power contactor, non-reversing IEC block contactor Main contacts: 3 normally-open (NO) contacts Auxiliary contacts: 1 NO + 1 NC auxiliary contact Mounting / Terminals: Screw-terminal blocks, main circuit connected via bars / lugs Frame size: AF580 Control / Coil Circuit Control (coil) voltage (Uc): wide-range — typically for versions 100–250 V AC/DC. Some variants support 48–130 V AC/DC or higher coil voltages depending on the control coil fitted. Coil type: Electronic AF wide-range coil, with built-in surge protection and tolerance for voltage variation. Coil operating limits: 0.85 × Uc … 1.1 × Uc (at ambient up to 70 °C) Main Circuit Ratings Rated operational (main circuit) voltage (Ue): up to 1000 V AC Conventional free-air thermal current (Ith): 800 A (at 40 °C) Rated insulation voltage (Ui): 1000 V (IEC), 600 V (UL/CSA) Impulse withstand voltage (Uimp): 8 kV Operational Current & Power (AC-1 / AC-3) AC-1 (General / Resistive Loads) Ie (1000 V, 40 °C): 800 A Ie (1000 V, 55 °C): 700 A Ie (1000 V, 70 °C): 580 A Similar ratings for 690 V supply AC-3 (Motor Duty / Inductive Loads) Ie (415–500 V, 55 °C): ~580 A Ie (690 V, 55 °C): ~500 A Ie (1000 V, 55 °C): ~250 A Typical motor power ratings: ~315 kW @ 380/400 V ~355 kW @ 415–440 V ~400 kW @ 500 V ~500 kW @ 690 V ~355 kW @ 1000 V Breaking / Making / Withstand Capacity Breaking capacity (AC-3): up to 8 × Ie Making capacity (AC-3): up to 10 × Ie Short-time withstand current (Icw), cold start, 40 °C free air: e.g., 10 s → ~6400 A (varies by coil and variant) Maximum electrical switching frequency: up to 300 cycles/hour (for AC-1 and AC-3) Environment & Operating Conditions Ambient temperature (with thermal overload relay): –25 … +50 °C Ambient temperature (without thermal overload): –40 … +70 °C Storage temperature: –40 … +70 °C Maximum permitted installation altitude: 3000 m Design / Features Wide-range control coil allowing AC or DC control voltage without needing coil change Built-in surge protection — tolerant to supply voltage fluctuations and dips Screw-terminal, bar-type main connections suitable for large conductors or busbars Compact block-type design for panel or switchgear installation Auxiliary contact offers flexibility for control or signaling circuits