Technical Parameters Parameter / Feature Specification / Detail Model / Type A260‑30‑11 (3‑pole AC contactor) Poles / Main Contacts 3 main contacts — 3 × Normally‑Open (NO) Auxiliary Contacts 1 × NO + 1 × NC (auxiliary contact block) Rated Operational Voltage (Main Circuit) Up to 690 V AC Rated Operational Current (AC‑1, Ie) 400 A (at 690 V, 40 °C free‑air); derates to 350 A at 55 °C, 290 A at 70 °C Rated Operational Current (AC‑3, Ie, motor switching) 260 A @ 415 V AC; 240 A @ 440 – 500 V AC; 220 A @ 690 V AC; (also 260 A @ 220‑240 V for lower‑voltage motors) Rated Operational Power (AC‑3, 400 V) 140 kW (three‑phase motor load) Utilization Category AC‑1 (general loads) and AC‑3 (motor loads) supported Insulation / Impulse Withstand Voltage Ui = 1000 V (IEC), Uimp = 8 kV Mechanical / Thermal Current Rating (Ith) 400 A at 40 °C free‑air Coil / Control Voltage Many variants — common AC coil versions: 220–230 V AC (50 Hz) or 230–240 V AC (60 Hz); other coils available depending on ordering code Frequency (Main Circuit) 50 / 60 Hz Connection / Terminals Bar‑type main terminals (for heavy cables or busbars); screw‑type auxiliary terminals; suitable for high‑capacity wiring Operating / Ambient Conditions Standard industrial ambient (typical –25 °C … +50 °C when fitted with thermal overload relay; wider storage/ non‑loaded range) Enclosure / Mounting DIN‑rail or panel / busbar installation (depending on variant); NEMA/IEC rated enclosure class per installation Typical Applications Three‑phase motor start/stop, industrial motor control, heavy‑load switching, power distribution panels, motor bypass/ isolation, general high‑power AC three‑phase circuits