1. Product Overview
The Schneider Electric SM6 circuit breaker cabinet is a medium-voltage switchgear designed for high reliability and safety. It is part of the Merlin Gerin brand, known for its leading technology and user-centric design philosophy. The SM6 series is suitable for installation in distribution rooms or box-type substations, with front cable connections and all control elements centralized on the front operation panel, simplifying operation.
2. Functional Features
- Modular Design: The SM6 series is a modular, expandable, and metal-sealed switchgear series.
- Switching Devices: It includes load switches, Fluarc SF1 or SFset circuit breakers, Rollarc 400 or 400D contactors, and isolation switches.
- Monitoring and Protection: Equipped with Sepam digital multifunctional protection series, VIP inverse time protection devices, and RCV420 backup self-throwing devices.
- Safety Features: The cabinet is designed with safety interlocks and provides protection against electrical hazards.
3. Technical Specifications
- Voltage Range: Suitable for systems with a nominal voltage of 12-24kV.
- Current Ratings: Rated current options include 630A and 1250A, with short-circuit current ratings of 20kA and 25kA .
- Cabinet Material: Typically constructed with metal for durability and safety.
- Auxiliary Equipment: Can be equipped with relays, coils, instrument transformers, and other accessories.
4. Advantages Analysis
- Reliability: The SM6 series is known for its high reliability and safety, with a design that ensures minimal maintenance and long operational life.
- Flexibility: The modular design allows for easy expansion and adaptation to different electrical requirements.
- Safety: Features such as safety interlocks and advanced monitoring systems enhance safety and reduce the risk of accidents.
- Maintenance: The SM6 series is designed for low maintenance, with a lifespan of up to 30 years, ensuring reliable operation with minimal downtime.
5. Application Scenarios
- Public Distribution Networks: Widely used in secondary public distribution fields up to 24kV.
- Industrial and Civil Substations: Suitable for industrial and civil substations, providing reliable power distribution and control.
- Box-Type Substations: Ideal for installation in box-type substations, ensuring efficient power management in confined spaces.