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A185-30

The ABB A185‑30 is a three‑phase AC magnetic contactor designed for industrial power switching and motor control applications. Part of ABB’s rugged A‑Line contactor series, this device is engineered to reliably control three‑phase loads such as motors, pumps, compressors, and heaters in low‑voltage electrical systems.

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Technical Parameters Specification Details Product Type 3‑Phase AC Magnetic Contactor Series / Model A185‑30 (e.g., A185‑30‑11‑80) Number of Main Contacts 3 Normally Open (3NO) Auxiliary Contacts 1 Normally Open (1NO) + 1 Normally Closed (1NC) Contactor Type Non‑reversing across‑the‑line contactor Rated Operational Current (AC‑1) ~250–275 A (general switching) Rated Motor (AC‑3) Current ~156 A at 440–480 V AC Rated Operational Voltage (Main Circuit) Up to ~690 V AC Rated Operational Power ~55–132 kW depending on voltage Coil Voltage (Example) 230–240 V AC (for A185‑30‑11‑80 variant) Coil Frequency 50/60 Hz Control Type AC magnetic coil Rated Insulation Voltage (Ui) ~1000 V (IEC) / ~600 V (UL/CSA) Rated Impulse Withstand Voltage (Uimp) ~8 kV Maximum Switching Capacity ~1600–2000 A (short‑circuit break capacity) Connections Screw terminals Mounting Panel / DIN‑rail compatible / snap‑on styles Degree of Protection IP00 (main terminals), IP20 (coil terminals) Operating Temperature Range ~−40 °C to +70 °C Mechanical Durability ~5 million cycles Typical Applications Motor starters, industrial power circuits, HVAC, pumps