Technical Parameters
Parameter Specification
Product type Electromechanical magnetic contactor
Product series ABB A series
Poles (main contacts) 3 poles (3 NO)
Coil/control voltage 110 V AC (50 Hz) / 110–120 V AC (60 Hz)
Rated operational voltage (main) Up to 690 V AC
Conventional free‑air thermal current (Ith) 28 A at 40 °C
Rated operational current AC‑1 (Ie) ~27 A at 690 V
Rated operational current AC‑3 (Ie) ~12 A at 415–500 V; ~9 A at 690 V
Rated operational power AC‑3 ~3 kW at 230–240 V; ~5.5 kW at 380–415 V; ~7.5 kW at 500–690 V
Rated operational current AC‑15 Up to 6 A at 24–127 V AC; 4 A at 220–240 V; 2 A at 500–690 V
Making/breaking capacity 10 × Ie AC‑3 making; AC‑15 10 × Ie breaking
Rated frequency limits 25–400 Hz
Operating temperature –40 °C to +55 °C
Coil power consumption ~74–80 VA pull‑in, ~8 VA holding
Terminal type Screw terminals
Auxiliary contacts Typically 1 NO auxiliary contact
Mounting Panel / DIN rail (with adapter)
Protection degree IP20
Standards IEC 60947‑4‑1 / IEC 60947‑5‑1 compliant
Typical applications Motor starters, control panels, automation systems
The ABB A12‑30‑10 is a three‑pole electromechanical AC contactor from ABB’s A‑line series, designed for switching and controlling three‑phase motors and general power circuits. It features a compact design with screw terminals and is suitable for use with thermal overload relays and auxiliary contact blocks to form complete motor starter assemblies. This model is configured with a 110 V AC (50 Hz) / 110–120 V AC (60 Hz) coil for industrial control and automation applications