ABB S272-C16 Miniature Circuit Breaker

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1. Overview

The ABB S272-C16 Miniature Circuit Breaker (MCB) is a high-performance, reliable electrical protection device designed for low-voltage distribution systems. It provides protection against overload and short-circuit conditions. Featuring a C-type tripping characteristic, this breaker ensures rapid disconnection in both industrial and residential systems, safeguarding equipment and personnel.

2. Technical Specifications

3. Advantages and Features

1. High Reliability Protection – Provides fast disconnection for overloads and short circuits, ensuring electrical safety.

2. C-type Tripping Characteristic – Suitable for inductive loads such as motors and transformers, reducing nuisance tripping.

3. Compact Design – Standard DIN rail mounting saves space in distribution panels.

4. Durable Materials – Flame-retardant housing and high-quality metal contacts ensure long-term safety.

5. Easy Operation – Manual toggle switch with clear ON/OFF indication.

6. International Standard Compliance – Meets IEC/EN 60898 for quality and reliability.

4. Applications

• Residential distribution systems

• Commercial building distribution networks

• Industrial low-voltage distribution

• Control panels and electrical cabinet protection

• Light and inductive load equipment protection

5. Installation and Maintenance Notes

1. Select proper rated current – Avoid using breakers with too high or too low rating.

2. Ensure firm wiring – Prevent loose connections that can cause overheating or poor contact.

3. Maintain good ventilation – Avoid excessive ambient temperature affecting performance.

4. Regular inspection – Check switch status, terminals, and housing integrity.

5. Investigate causes after tripping – Do not reset immediately; first eliminate the fault.

6. Avoid humid environments – Prevent water ingress that could cause short-circuit or damage.

The structure and details of the product：

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