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A260-30-11

The ABB A260‑30‑11 is a heavy‑duty 3‑pole AC contactor from ABB’s “A‑line” series, designed to switch three‑phase motors or other high‑power AC loads. It provides main contacts for power switching plus an auxiliary contact block for control or signalling. The contactor supports a wide range of coil/control voltages and is suitable for use in industrial, commercial, or power‑distribution panels where reliable switching of high currents and high voltages (up to 690 V) is required. Common applications include motor start/stop, motor bypass or isolation, switching of heavy loads, and general three‑phase power circuit control.

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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