CMB-073-11C1N-B-A/07

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Circuit breakers are an integral part of any electrical system, providing safety and reliability for crucial systems. The CMB-073-11C1N-B-A/07 is a great example of one such device, providing quick and efficient protection from over current and over temperature. In this article we\'ll explore the application field and working principle of the CMB-073-11C1N-B-A/07.

Application Field

The CMB-073-11C1N-B-A/07 circuit breaker is designed for indoor use in equipment requiring protection from short-circuit current and over temperature. It is suitable for protecting circuits with rated current of 400A or less and a rated voltage of up to 690V. It is ideal for residential, commercial and industrial applications, such as power supplies, lighting and control systems, HVAC systems, and more. It is also suitable for supplemental overload protection as well as power factor improvement.

Working Principle

The working principle of the circuit breaker is based on two main properties: the heat generated by an increase in the current flow and the bimetal strip housed within the CMB-073-11C1N-B-A/07. The heat generated by an increase in current flow activates thermal bimetal strip, causing it to bend and eventually open the contacts of the breaker, preventing further current flow.

The bimetal strip also responds to over temperature conditions, deforming and opening contacts to cut off current flow when the internal temperature of the breaker rises above the specified limit. This helps protect your circuits from fire hazards and subsequent damages, while also protecting nearby persons.

The CMB-073-11C1N-B-A/07 also has an additional feature that increases its safety. It is designed with an electrical indicator which can detect the presence of current, allowing the user to quickly observe if the breaker is closed or open. This helps in troubleshooting systems faster and easier.

The CMB-073-11C1N-B-A/07 circuit breaker is also designed to be used in combination with additional devices such as leakage and overload protection devices, thermistors, and other mechanical protection switches to provide an even higher level of safety. This ensures safe operation of your equipment and helps you ensure the longevity of your installations.

The CMB-073-11C1N-B-A/07 circuit breaker is a great choice for any circuit breaker application that requires protection from over current and/or over temperature. It is suitable for both residential and industrial applications and is designed with safety features that help ensure a longer lifespan for your installations.

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