ABB AX18-30-10 AC contactor

• 1. Product Overview

  The ABB AX18‑30‑10 AC Contactor is a compact, modular AC contactor designed for controlling three-phase motors and AC loads. It features a built-in normally open (NO) auxiliary contact for signal feedback or interlock logic and supports additional auxiliary contact modules for more complex control functions. Its small size and ease of installation make it suitable for industrial automation, machinery control, and low-voltage control panels.

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  2. Technical Specifications

  • Model: AX18‑30‑10

  • Type: AC Contactor

  • Poles: 3 poles (3 NO)

  • Built-in Auxiliary Contacts: 1 NO

  • Rated Insulation Voltage (Ui): 690 V AC

  • Rated Impulse Withstand Voltage (Uimp): 6 kV

  • Rated Operational Current (AC‑3):

    • 220–240 V AC: 18 A

    • 380–400 V AC: 18 A

    • 415 V AC: 18 A

    • 440–500 V AC: 12 A

    • 690 V AC: 9 A

  • Rated Operational Power (AC‑3):

    • 220–240 V: 4 kW

    • 380–400 V: 7.5 kW

    • 415 V: 9 kW

    • 440–500 V: 5.5–7.5 kW

    • 690 V: 7.5 kW

  • Thermal Current (Ith): 28 A

  • Frequency: 50 / 60 Hz

  • Control Coil Voltage: Various options (24 V, 110 V, 220–240 V AC)

  • Protection Rating: IP20

  • Terminal Type: Screw terminals

  • Dimensions (W×D×H): ~44 × 74 × 74 mm

  • Weight: ~0.33 kg

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  3. Advantages and Features

  • Compact, modular design suitable for high-density installation.

  • Reliable motor control for AC loads and three-phase motors.

  • Expandable auxiliary contacts for additional control signals and feedback.

  • IEC 60947 compliant ensuring safety and durability.

  • Multiple coil voltage options suitable for global applications.

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  4. Typical Applications

  • Industrial automation motor start/stop control

  • Fans, pumps, compressors, and other machinery control

  • Main power switching in control panels

  • Production line and conveyor system motor distribution

  • PLC / DCS control system actuators

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  5. Installation & Usage Notes

  • Ensure the control coil voltage matches the supply voltage.

  • Make firm connections to avoid poor contact, overheating, or tripping.

  • Use suitable protective devices for high-frequency load switching.

  • Ensure proper ventilation in control panels to prevent overheating.

  • Disconnect power before maintenance and inspect main and auxiliary contacts for wear.

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The structure and details of the product： ​

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