ABB 1SBH141001R8440 Contactor Relay

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1. Product Description

The ABB 1SBH141001R8440 Contactor Relay is an industrial-grade electromagnetic control device used to remotely switch on or off the main circuit in control systems. It features high-performance electromagnetic coils and durable contact materials, providing fast response, reliable operation, and long service life. Widely used in industrial automation, motor control, lighting systems, and various machinery control circuits.

2. Technical Specifications

• Model: 1SBH141001R8440

• Type: Contactor Relay

• Rated Control Voltage: 24–240 V AC/DC

• Contact Configuration: 1 NO (Normally Open)

• Rated Current: 6 A (AC-1 / AC-15)

• Mechanical Life: ≥ 10^6 operations

• Electrical Life: ≥ 10^5 operations

• Mounting: DIN rail 35 mm or screw mounting

• Operating Temperature: –25°C to +55°C

• Protection Rating: IP20

• Housing Material: Flame-retardant plastic

• Operation Type: Electromagnetic pull-in, spring return

3. Features & Advantages

• High reliability with precise and stable contact operation

• Long mechanical and electrical life

• Compact design for tight control cabinet layouts

• Wide voltage compatibility (24–240 V AC/DC)

• Easy installation via DIN rail or screw fixing

• Strong anti-interference performance in industrial environments

4. Application Areas

• Industrial automation control systems

• Motor remote start/stop control

• Lighting and illumination circuits

• Machinery control circuits

• Automated production line equipment

• Control cabinets and distribution systems

5. Precautions

1. Disconnect power before installation or maintenance.

2. Ensure proper wiring and secure terminals to avoid loose connections.

3. Avoid long-term exposure to humidity, dust, or corrosive gases.

4. Do not exceed relay contact rating; ensure it matches load requirements.

5. Periodically inspect contact wear and replace if necessary.

6. Prevent electrostatic discharge; avoid direct contact with electronic components during installation.

The structure and details of the product：

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