ABB AX Contactors

The ABB AX Contactor series is designed for motor starting and power switching in low-voltage industrial electrical systems. Covering AC-3 rated operational currents from 9 A to 150 A, the series supports motor applications up to 75 kW at 400 V. Featuring a compact space-saving design, flexible auxiliary contact configurations and convenient installation arrangements, AX contactors provide reliable switching solutions for industrial machinery, motor control panels and electrical distribution systems. Compatible with ABB manual motor starters and thermal overload relays, the series also supports the assembly of coordinated motor starter solutions.

Reliable Motor Starting and Power Switching

The AX series is designed for switching three-phase motors and controlling electrical loads under different operating conditions. It supports AC-1 utilization for non-inductive or slightly inductive loads and AC-3 utilization for starting squirrel-cage motors and switching them off during normal operation. Its reliable electromagnetic operating mechanism supports consistent contact operation in industrial motor control applications.

Compact Design and Easy Installation

Designed to simplify electrical panel assembly, AX contactors feature a compact structure and accessible front-facing terminals. All terminals are supplied in the open position to facilitate wiring, while clearly marked connection points simplify installation and product identification. The series also offers flexible front-mounted and side-mounted auxiliary contact arrangements, depending on the contactor size.

Flexible Accessories and Motor Starter Integration

The AX series supports a comprehensive range of compatible accessories, including auxiliary contact blocks, surge suppressors, mechanical interlocks and connection kits. It can be combined with ABB thermal overload relays, manual motor starters and short-circuit protection devices to assemble direct-on-line, reversing and star-delta motor starters. ABB's tested coordination tables help users select compatible component combinations for motor starter assemblies.

Industrial Applications

ABB AX contactors are suitable for motor switching and electrical control in various industrial applications, including:

• Industrial motor starting and stopping.

• Pumping and water supply equipment.

• Fans and ventilation systems.

• Conveyor and material handling equipment.

• Packaging and production machinery.

• Industrial control panels and motor control centers.