CR11-52-20.0A-37777-20-V

Series:	*
Part Status:	Active
Lead Free Status / RoHS Status:	--
Moisture Sensitivity Level (MSL):	--

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Circuit BreakersCircuit breakers are electrical devices that protect electrical systems from damage due to overloads, short circuits, or ground faults. They are an essential part of any electrical system, protecting equipments and personnel from possible harm. There are many types of circuit breakers, each with different features and applications. One type of circuit breaker is the CR11-52-20.0A-37777-20-V. This article will discuss the application field and working principle of the CR11-52-20.0A-37777-20-V circuit breaker.The CR11-52-20.0A-37777-20-V circuit breaker is primarily used for motor starting and overload protection. It meets the requirements for Type I, II, and III motor protection, and can be used in 3-, 4-, and 5-wire installations. It is designed to be used with single-phase and poly-phase motors up to 20 A with a voltage rating of 240 V AC. This breaker is designed with a thermal trip action and an adjustable trip setting to allow the user to select the appropriate level of protection for the application.The CR11-52-20.0A-37777-20-V circuit breaker is composed of two main parts: a set of contacts, and a bimetallic strip. The contacts are connected to the load and the power supply, and when the current exceeds the rated value, the contacts open. The bimetallic strip is composed of two different metals that expand at different rates when heated, causing the strip to bend, which releases the contacts and trips the breaker. This type of circuit breaker is also known as a thermal-magnetic breaker, as it uses both thermal and magnetic actions to trip the breaker.The CR11-52-20.0A-37777-20-V circuit breaker also features an adjustable trip setting, which allows the user to select the appropriate level of protection for the application. The adjustable setting allows the user to choose between a short-term, long-term, and extreme overload protection. The short-term setting is used to protect against momentary overloads and surges, while the long-term setting is used to protect against prolonged overloads. The extreme setting is used to protect against extremely high overloads, such as short circuits.In addition to its adjustable trip setting, the CR11-52-20.0A-37777-20-V circuit breaker also features an instantaneous trip setting, which is used to protect against extreme overloads that require an immediate trip. This setting is used in emergency situations where there is a risk of fire or serious damage.The CR11-52-20.0A-37777-20-V circuit breaker is a versatile and reliable device that is ideally suited for motor starting and overload protection. It is suitable for use in a wide variety of industrial, commercial, and residential applications. Its adjustable and instantaneous trip settings allow the user to select the appropriate level of protection for the application, ensuring reliable protection against overloads, short circuits, and ground faults.

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