ABB A40-30-01 Contactor

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1. Product Overview

The ABB A40-30-01 is a three-phase AC contactor from ABB’s A series. It is designed for remotely switching motors, lighting, heating loads, and other general industrial loads. With compact structure, reliable operation, and long service life, the A40-30-01 is suitable for low-voltage distribution systems and industrial automation control circuits.

2. Technical Specifications

• Model: A40-30-01

• Product Type: Three-phase AC Contactor

• Rated Voltage: 690 V AC

• Rated Current: Main contacts 40 A

• Coil Voltage: 220 V AC / 50 Hz (options: 110 V, 380 V, etc.)

• Number of Poles: 3 main contacts + 1 auxiliary contact NO

• Mechanical Life: ≥ 10,000,000 operations

• Electrical Life: ≥ 200,000 operations (at rated load)

• Insulation Class: F

• Mounting: DIN rail or panel mounting

• Protection Class: IP20

• Operating Temperature: -25 ℃ to +55 ℃

• Standards Compliance: IEC 60947-4-1, GB/T 14048.4

• Features: Compact design, reliable switching, suitable for general industrial loads

3. Key Advantages & Features

• High Reliability – High-quality electromagnetic coil ensures sensitive and interference-resistant operation.

• Long Service Life – Mechanical life ≥ 10,000,000 operations, electrical life ≥ 200,000 operations.

• Compact Design – Saves space in control panels and switchboards.

• Auxiliary Contact Function – Supports signaling, interlocking, and extended control logic.

• Multiple Coil Voltages Available – Flexible adaptation to different control supply systems.

• Standards Compliance – Meets IEC 60947-4-1 industrial standards.

4. Typical Applications

• Industrial motor control (pumps, fans, compressors, etc.)

• Automation production line control

• Lighting and heating load switching

• Remote switching in distribution systems

• Main and auxiliary control in control cabinets and electrical panels

• Equipment maintenance isolation and safety control

5. Installation & Usage Notes

• Match Load and Current – Ensure contactor rating matches the load to avoid overload or nuisance trips.

• Match Coil Voltage – Control voltage must match coil rating for proper operation.

• Proper Wiring & Installation – Connect main and auxiliary contacts according to control circuit design.

• Periodic Maintenance – Inspect contacts, coil, and auxiliary contacts for long-term reliable operation.

• Avoid Harsh Environments – Prevent prolonged use in high humidity, high temperature, or corrosive conditions; use protective measures if necessary.