STR28D |Merlin Gerin Masterpact Circuit Breaker

Description

The Merlin Gerin STR28D Masterpact Circuit Breaker (model number 54762, rated for 2500A) is a type of low-voltage electrical protection device designed for high-performance applications. Masterpact breakers are known for their robust construction, reliability, and advanced protection features, making them suitable for industrial and commercial use.

### Key Features:

1. **High Current Rating**: With a rating of 2500A, this circuit breaker is designed to protect large electrical installations and various types of equipment from overloads and short circuits.

2. **Compact Design**: Masterpact circuit breakers are typically designed to fit in confined spaces while providing high performance. This makes them favorable for integration into switchgear and control panels.

3. **Electronic Protection System**: Many Masterpact models, including the STR series, feature advanced electronic protection systems that allow for precise settings for overload, short circuit, and earth fault protection.

4. **Modular Options**: The circuit breaker may offer modular options for accessories, such as communication modules for integration into remote monitoring systems, auxiliary contacts, or alarm systems.

5. **Local and Remote Control**: The design typically includes capabilities for both local operation and remote monitoring/control, enhancing operational flexibility.

6. **Built-in Status Indication**: The circuit breaker usually comes with visual indicators for status monitoring, allowing operators to assess the operational state at a glance.

### Applications:

– **Industrial Plants**: Used extensively in manufacturing facilities, processing plants, and heavy industry applications for central power distribution and motor protection.
– **Commercial Buildings**: Employed in large commercial properties for managing and protecting electrical systems.
– **Data Centers**: Suitable for critical power distribution where reliability is paramount.
– **Mining and Marine Applications**: Beneficial in rugged environments requiring durable, high-capacity protection.

### Technical Specifications:

While the specific technical specifications and settings for the Merlin Gerin STR28D Masterpact breaker may vary, general attributes typically include:

– **Voltage Rating**: Designed to operate at standard voltage levels (often up to 1000V in low-voltage applications).
– **Breaking Capacity**: The breaking capacity (the maximum fault current the circuit breaker can interrupt) will vary according to the specific model and installation conditions.
– **Adjustment Features**: Enhanced settings for time-delay attributes, allowing for tailored responses to overload conditions.

### Additional Considerations:

– **Installation**: It’s crucial to follow installation guidelines specified by Merlin Gerin (now part of Schneider Electric) for correct and safe setups.
– **Maintenance and Testing**: Regular testing and maintenance procedures are recommended to ensure the circuit breaker functions correctly and meets safety standards.
– **Documentation**: Always refer to the manufacturer’s technical documentation for detailed installation, operational guidelines, parameters, and troubleshooting steps.

### Conclusion:

The Merlin Gerin STR28D Masterpact Circuit Breaker is a critical component for safeguarding electrical systems in various demanding applications. If you need more specific details regarding installation procedures, operation manuals, or compatibility with other systems, please let me know!