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AX205-30

The ABB AX205‑30 is a heavy‑duty 3‑pole AC contactor used for switching three‑phase motors and high‑power circuits in industrial and commercial installations. It is designed for reliable control of motors, machinery, or general power loads — providing main contacts for power switching plus auxiliary contacts for control or signalling. The contactor supports AC-operated coils and is suitable for high-current, high-power applications up to 690 V AC, making it appropriate for motor starting, load switching, or other demanding electrical loads.

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Technical Parameters Parameter / Feature Specification / Detail Model / Type ABB AX205‑30 (AX contactor series) Poles (Main Contacts) 3 poles (3‑phase) — 3 × NO main contacts Auxiliary Contacts 1 × NO + 1 × NC (auxiliary) contacts Rated Operational Current (AC‑3, Ie) 205 A at 400–415 V AC; 185 A at 440 V AC; 170 A at 500 V or 690 V AC depending on configuration Rated Operational Power (AC‑3) Up to ~ 110 kW at 400 V AC; up to ~ 132 kW at 690 V AC, depending on motor/load conditions Rated Insulation Voltage (Ui) 690 V AC (insulation rating, main circuit) Control Coil Voltage (Uc) Options vary (depending on variant) — e.g. 220–230 V AC / 230–240 V AC (50/60 Hz), or other coil voltages depending model code Rated Operational Current (AC‑1, Ie) Up to 275 A at 690 V AC (for non‑inductive / general loads) in some configurations Connection / Terminals Screw / busbar‑type terminals for main contacts; suitable for heavy wiring (e.g. up to 30 mm² conductors) Mechanical / Electrical Durability Designed for many switching cycles, suitable for frequent operation in industrial environments Ambient Operating Temperature Range Wide ambient range, e.g. –40 °C to +70 °C (depending on variant and usage conditions) Protection / Enclosure Terminals rated per standard protection class (e.g. IP20 for terminals) Use Cases / Typical Applications Three‑phase motor control and switching, heavy load switching, industrial machinery control, power distribution systems, general three‑phase AC load management