ABB CAL18-11 auxiliary contact block

ABB CAL18-11 Auxiliary Contact Block – Product Information

1. Product Overview

The ABB CAL18-11 is an industrial auxiliary contact block designed to be used with contactors or circuit breakers.
It provides additional electrical signal outputs for control, indication, or feedback purposes. The CAL18-11 module features a modular design and can be easily mounted on ABB contactors, allowing flexible expansion of electrical control systems.

2. Technical Specifications

• Model: CAL18-11

• Type: Auxiliary Contact Block

• Contact Configuration: 1 Normally Open (NO) + 1 Normally Closed (NC)

• Rated Current: 10 A AC/DC

• Rated Voltage: 690 V AC / 250 V DC

• Mechanical Life: ~100,000 operations

• Electrical Life: ~50,000 operations

• Mounting Method: Direct mounting on ABB contactors

• Operating Temperature: -25 ℃ to +60 ℃

• Protection Class: IP20

• Standards: IEC 60947-5-1

3. Features and Advantages

1. Modular Design – Easily mounts on ABB contactors, enabling flexible control system expansion.

2. High Reliability – Industrial-grade contacts ensure long-term stable operation.

3. Versatile Use – Suitable for status indication, interlocking control, and signal feedback.

4. Easy Maintenance – Modular design allows easy removal and replacement.

5. High Safety – Rated voltage and current meet industrial control standards for various applications.

4. Application Areas

• Industrial control cabinets and automation systems

• Motor control and protection systems

• Relay control and status feedback

• Signal indication and interlocking in industrial equipment

• Production line and machinery control systems

5. Precautions

1. Ensure the contact block model is compatible with the contactor before installation.

2. Disconnect power before wiring or operation to ensure safety.

3. Avoid exposure to high humidity, corrosive gases, or strong vibrations.

4. Regularly inspect contacts and terminal connections to maintain reliable operation.

5. Do not modify the contact block, as it may compromise safety and performance.

The structure and details of the product：

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