ABB A300-30-22 Three-Phase Contactor

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1. Product Overview

The ABB A300-30-22 Three-Phase Contactor is an industrial-grade electrical switch designed for controlling and protecting AC motors and other three-phase loads. It provides remote ON/OFF operation and is suitable for industrial automation systems, motor control panels, and distribution systems. The series is known for high reliability and long service life, with optional auxiliary contacts for extended control functions.

2. Technical Specifications (Typical)

• Model: A300-30-22

• Type: Three-Phase Contactor

• Rated Current: 30 A (AC-3, motor load)

• Rated Voltage: 690 V AC

• Poles: 3P (three poles)

• Coil Voltage: 24 V DC (other voltages available)

• Mechanical Life: ≥ 10,000,000 operations

• Electrical Life: ≥ 1,000,000 operations

• Mounting: DIN rail or bolt-fixed

• Auxiliary Contacts: Optional NO/NC auxiliary contacts

• Protection Class: IP20 (cabinet installation)

• Standards: IEC/EN 60947-4-1

3. Advantages & Features

• High reliability: Industrial design resists vibration, electromagnetic interference, and temperature variations.

• Long service life: Mechanical and electrical life exceed millions of operations, reducing maintenance.

• Flexible control: Optional auxiliary contacts and multiple coil voltages for complex control requirements.

• Easy installation: DIN rail or bolt mounting allows quick installation and replacement.

• Wide compatibility: Suitable for ABB automation systems and various motor control panels.

4. Typical Applications

• Industrial three-phase motor control and protection

• Automated production lines and machinery control

• Fans, pumps, compressors, and conveyor systems

• Power distribution systems and industrial distribution panels

• Factory automation and remote monitoring systems

5. Installation & Operation Notes

1. Current matching: Ensure the contactor rated current matches the load requirements.

2. Coil voltage selection: Choose a coil voltage compatible with the control system.

3. Correct wiring: Connect main and control circuits according to the wiring diagram.

4. Environmental conditions: Avoid high temperature, high humidity, and corrosive gases; ensure proper ventilation.

5. Periodic inspection: Check contact wear and coil condition to ensure reliable long-term operation.