ABB A40-30-11-80 Contactor

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1. Product Overview

The ABB A40-30-11-80 is a three-pole AC contactor, designed for industrial and commercial distribution and automation control. It is used for switching motors, lighting, heating equipment, and other electrical loads, offering high reliability, long service life, and energy efficiency.

2. Technical Specifications

• Model: A40-30-11-80

• Series: A Series Contactor

• Poles: 3-pole

• Rated Operational Current: 40 A

• Control Voltage (Coil): AC/DC options depending on configuration

• Mechanical Life: ≥ 10,000,000 operations

• Electrical Life: ≥ 1,000,000 operations (rated load)

• Mounting: Base or DIN rail

• Contact Type: 3 N/O main contacts, auxiliary contacts optional

• Rated Voltage: 690 V AC

• Operating Temperature: ‑25 °C to +60 °C

• Protection Rating: IP20

• Dimensions (H×W×D): 130 × 45 × 85 mm

• Indicator: Status display optional

• Standards: IEC/EN 60947

3. Key Advantages & Features

1. High Reliability – Premium materials and precision design for stable operation.

2. Long Service Life – Mechanical and electrical durability suitable for frequent operation.

3. Energy-Efficient Coil – Low power consumption and minimal heating.

4. Modular Design – Can accommodate auxiliary contacts and accessories.

5. Easy Installation & Maintenance – DIN rail or base mounting with simple wiring.

6. Versatile Applications – Suitable for motor control, lighting, heating, and automation systems.

4. Typical Applications

• Industrial motor control

• Control panels and distribution boards

• Mechanical automation systems

• HVAC and building automation

• Lighting and heating equipment control

5. Installation & Usage Notes

1. Match Coil Voltage – Ensure control voltage matches coil rating.

2. Proper Wiring – Connect main and auxiliary contacts according to wiring diagram.

3. Environmental Conditions – Avoid high humidity, dust, or corrosive environments.

4. Regular Inspection – Check contact wear and tightness periodically.

5. Secure Installation – Ensure contactor is firmly mounted to avoid vibration effects.