Small circuit breaker

A small circuit breaker is a device that is designed to protect electrical circuits from overcurrents, short circuits, and other electrical faults. They are typically used in applications where a larger circuit breaker would be too large or cumbersome.

Here are some common characteristics of small circuit breakers:

  1. Compact size: Small circuit breakers are designed to be compact and lightweight, making them easy to install in tight spaces.
  2. Low current rating: Small circuit breakers typically have a lower current rating than larger circuit breakers, usually ranging from 1-20 amps.
  3. Simple design: Small circuit breakers often have a simpler design than larger circuit breakers, with fewer components and less complexity.
  4. Low voltage: Small circuit breakers are often designed for use with low-voltage systems, such as 12V or 24V DC power supplies.
  5. Low cost: Small circuit breakers are often less expensive than larger circuit breakers, making them a cost-effective solution for many applications.

Some common applications for small circuit breakers include:

  1. Electronics: Small circuit breakers are often used in electronic devices, such as computers, televisions, and appliances, to protect against overcurrents and electrical faults.
  2. Automotive: Small circuit breakers are used in automotive applications, such as in car audio systems, lighting systems, and other electrical accessories.
  3. Industrial control: Small circuit breakers are used in industrial control systems, such as in robotics, machine tools, and other industrial equipment.
  4. Aerospace: Small circuit breakers are used in aerospace applications, such as in aircraft and spacecraft electrical systems.

Some common types of small circuit breakers include:

  1. Miniature circuit breakers (MCBs): These are small, compact circuit breakers that are designed for use in residential and commercial applications.
  2. Thermal circuit breakers: These are small circuit breakers that use a thermal element to detect overcurrents and trip the circuit.
  3. Electronic circuit breakers: These are small circuit breakers that use electronic sensors and control circuits to detect overcurrents and trip the circuit.
  4. Resettable circuit breakers: These are small circuit breakers that can be reset after a fault has occurred, rather than requiring replacement.

Some popular brands of small circuit breakers include:

  1. Littelfuse: Known for their miniature circuit breakers and thermal circuit breakers.
  2. Schurter: Offers a range of small circuit breakers, including miniature circuit breakers and electronic circuit breakers.
  3. TE Connectivity: Provides a range of small circuit breakers, including miniature circuit breakers and resettable circuit breakers.
  4. Bourns: Offers a range of small circuit breakers, including miniature circuit breakers and thermal circuit breakers.