ABB 1SBN030105T1000 mechanical interlocking unit

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1. Product Overview

The ABB 1SBN030105T1000 is a mechanical interlocking unit used in low-voltage distribution systems for safe interlocking of circuit breakers.
It prevents two or more breakers from being closed simultaneously, ensuring operational safety and preventing electrical shocks or equipment damage.
Suitable for industrial, commercial, and infrastructure distribution systems.

2. Main Technical Specifications

3. Advantages and Features

1. Safe Operation
   Prevents multiple breakers from closing simultaneously, reducing short-circuit or electrical hazard risks.

2. Compact Design
   Directly mounts on the breaker, saves space and is easy to install.

3. High Reliability
   Durable engineering plastic and metal components ensure long-term stable operation.

4. Easy Maintenance
   Simple mechanical structure allows for easy inspection and maintenance.

5. Strong Compatibility
   Suitable for ABB S-series breakers with multiple combination options.

4. Typical Applications

• Industrial low-voltage distribution cabinets

• Commercial and office building electrical systems

• Factory automation and production line distribution

• Infrastructure distribution systems (e.g., substations, metro power distribution)

• Situations requiring safe interlocking of multiple circuit breakers

Used to prevent operational errors and ensure the safety of equipment and personnel.

5. Installation and Usage Notes

1. Confirm breaker model compatibility with the interlocking unit before installation.

2. Disconnect power during installation or removal to avoid electric shock or equipment damage.

3. Periodically check that the mechanical interlock operates smoothly to ensure proper function.

4. Avoid direct exposure to high-temperature, high-humidity, or corrosive environments.

5. Installation and maintenance should be performed by qualified electrical personnel.

The structure and details of the product：

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