ABB A-12-30-10 Three-pole contactor

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1. Product Overview

The ABB A-12-30-10 is a three-pole AC contactor designed for switching AC motors and various industrial loads.
It features a compact structure, reliable operation, and is widely used in industrial automation, motor control, and distribution systems.

2. Main Technical Specifications (Typical)

• Model: A-12-30-10

• Product Type: Three-pole AC Contactor

• Rated Operational Voltage: AC 400 V

• Rated Operational Current: 12 A

• Poles: 3 Normally Open (NO)

• Coil Rated Voltage: AC 24–230 V, 50/60 Hz

• Mechanical Life: ≥ 10,000,000 operations

• Electrical Life: ≥ 600,000 operations (rated load)

• Mounting: DIN rail or screw mount

• Protection Class: IP20

• Operating Temperature Range: -25 ℃ to +60 ℃

• Material: Flame-retardant plastic + copper contacts

3. Key Advantages and Features

1. High Reliability and Durability

   • Long mechanical and electrical life

   • Copper contacts ensure stable conduction

2. Compact Design

   • Space-saving, suitable for multi-channel control systems

3. Easy Installation

   • DIN rail or screw mounting

   • Quick-connect terminals

4. Industrial-Grade Performance

   • Wide temperature range, high-temperature and industrial environment tolerance

   • Flame-retardant materials for safety

5. Multi-Functional Application

   • Suitable for motor start control, load switching, and signal control

4. Typical Applications

• Industrial automation control systems

• Motor control and starting

• Distribution systems and switchgear

• HVAC systems, pump and fan control

• Power, mining, metallurgical, and chemical industries

5. Installation and Maintenance Notes

1. Power Matching

   • Ensure coil voltage matches control power supply

2. Installation Guidelines

   • Securely mount on DIN rail or with screws

   • Avoid high humidity or dusty environments

3. Load Matching

   • Do not exceed rated load current

   • Avoid frequent overload operation

4. Periodic Inspection

   • Check contact wear

   • Check terminal tightness

5. Safety Precautions

   • Power off before installation or maintenance

   • Avoid live operation