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