• Circuit Breaker

Din Rail Mounted Circuit Breaker

DIN rail mounted circuit breakers are electrical protection devices that are designed to be mounted on a DIN rail, a standardized metal rail used for mounting electrical components. The "DIN" in their name comes from the German "Deutsches Institut für Normung," which refers to the standard used for rail sizes. These circuit breakers are commonly used in industrial and commercial electrical panels for overcurrent and short-circuit protection.

Control Design Supply offers a wide range of din rail mounted circuit breakers. Please reach out with any questions or quote requests for any of our din rail mounted circuit breaker products!

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 Key Features of DIN Rail Mounted Circuit Breakers:

  1. Standardized Mounting: These breakers are designed to be attached to DIN rails, typically 35mm wide. This makes them easy to install and remove, and they can be arranged neatly in panels for better organization.
  2. Compact and Efficient: DIN rail circuit breakers are generally more compact compared to traditional circuit breakers, making them ideal for situations where space is limited.
  3. Types of Protection:
    • Overcurrent Protection: They are used to prevent damage to electrical circuits by automatically disconnecting the power when excessive current flows through the system.
    • Short Circuit Protection: They can also protect against short circuits by quickly disconnecting the power in the event of a fault.
    • Residual Current Protection (RCDs): Some DIN rail circuit breakers also feature residual current devices to protect against electrical shocks or leakage currents.
  4. Single-Pole and Multi-Pole Options: Depending on the application, you can find single-pole, double-pole, triple-pole, or even four-pole circuit breakers, allowing them to suit various wiring systems.
  5. Applications: They are commonly used in:
    • Distribution boards and switchboards
    • Control panels for machines and equipment
    • Power supplies for commercial and industrial setups
    • Residential electrical systems
  6. Current Ratings: These circuit breakers come in a wide range of current ratings, typically ranging from a few amps to several hundred amps, depending on the specific model and application.
  7. Breaking Capacity: The breaking capacity refers to the maximum fault current the breaker can safely interrupt without causing damage. A higher breaking capacity is essential for circuits with higher short-circuit potentials.
  8. Modular Design: Many DIN rail breakers are modular, meaning additional breakers can be easily added to the system as needed, which provides flexibility for expanding electrical circuits.
  9. Compliance: These breakers often meet global standards like IEC (International Electrotechnical Commission) and UL (Underwriters Laboratories), ensuring safety and reliability in electrical installations.

Advantages:

  • Easy to install and replace due to the standardized mounting on DIN rails.
  • Space-saving design for organized and efficient panel layouts.
  • Flexibility in configuration and future expansions.
  • Safe protection against overcurrent and short circuits, reducing the risk of electrical fires and equipment damage.

Disadvantages:

  • Not ideal for very high-voltage applications.
  • May require professional installation, especially in more complex configurations.

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