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A145-30 220V

The ABB A145‑30 is a three‑pole AC magnetic contactor designed for industrial and commercial power control applications, especially for motor starting, switching, isolation, and power distribution duties. It is part of ABB’s A‑series contactor family and is suitable for use with appropriate overload relays to protect motors. The contactor features three main normally‑open contacts and auxiliary contacts for control and signaling functions. It operates reliably with a 220 – 230 V AC control coil at both 50 Hz and 60 Hz.

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Key Technical Parameters General & Electrical Ratings Product / Model: ABB A145‑30 3‑Pole Contactor Control / Coil Voltage: 220–230 V AC (50 Hz); 230–240 V AC (60 Hz) Voltage Type: AC control coil Number of Poles: 3 main poles (normally open) Auxiliary Contacts: 1 NO + 1 NC (typical) Rated Insulation Voltage (Ui): 1000 V (IEC) / 600 V (UL/CSA) Standards Compliance: IEC 60947‑4‑1, UL/CSA, CE Current & Power Ratings Conventional Free‑Air Thermal Current (Ith): Up to 250 A at 40 °C Rated Operational Current AC‑1 (Ie): ~250 A at 690 V AC Rated Operational Current AC‑3 (Ie): ~145 A at 220–230 V AC Rated Operational Power AC‑3 (Pe): ~45 kW at 220–230 V AC ~75 kW at 380–440 V AC ~110 kW at 500–690 V AC Switching Performance Rated Making Capacity (AC‑3): ~10 × Ie Rated Breaking Capacity (AC‑3): ~8 × Ie Rated Short‑Time Withstand Current (Icw): ~1200 A for 10 s (cold) ~600 A for 1 min ~280 A for 15 min Mechanical & Environmental Dimensions (approx.): 111.5 mm (W) × 160 mm (D) × 196 mm (H) Weight: ~2.9 kg Operating Ambient Temperature: with thermal relay: –25 °C to +50 °C without thermal relay: –40 °C to +70 °C Insulation & Impulse Withstand: High industrial insulation, ~8 kV impulse withstand Applications Motor control starters (with overload protection) Switching of industrial loads and three‑phase circuits Isolation switching and contactor control panels General industrial automation and power distribution