R21-0-8.00A-B01CH

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Circuit breakers are essential components of any electrical or electronic system. They are used to protect electrical circuits from damage and improve the reliability of the equipment. The R21-0-8.00A-B01CH circuit breaker is a type of circuit breaker used in a variety of applications. This article will discuss the application fields and working principle of this type of circuit breaker.

The R21-0-8.00A-B01CH circuit breaker is primarily used in residential and industrial applications. It is a type of multi-pole, thermal-magnetic circuit breaker with a rated current of 8.0 A and a rated voltage of 400 V. This type of circuit breaker is suitable for AC 50/60 Hz applications with a rated frequency of 50 Hz. This circuit breaker is UL468 listed, which means it meets or exceeds the UL standards for safety requirements.

The design of the R21-0-8.00A-B01CH circuit breaker is based on the thermal-magnetic principle. This principle works by combining two effects to ensure reliable circuit protection: the thermal effect and the magnetic effect. When current passes through the circuit breaker, it generates heat, which is monitored by the thermal effect. When the current reaching the circuit breaker exceeds its rated current, the heat generated will exceed the preset temperature, causing an internal thermal trip to open the contacts.

The magnetic effect works by shutting off the circuit breaker when the current reaches a certain level. The circuit breaker uses a magnetic field to detect large, short-term overcurrents, such as those caused by a short circuit. When the current reaches the preset level, a solenoid pulls the armature, which in turn moves the trip contact to the open position. This works in conjunction with the thermal effect to ensure that the circuit related conditions are safe.

The R21-0-8.00A-B01CH circuit breaker has a wide range of applications. It is suitable for many residential and industrial applications, such as lighting, air conditioners, motors, pumps, ovens, electrical stoves, and more. It is also suitable for general-purpose use in residential, commercial, and industrial installations. This circuit breaker is reliable, efficient, and cost effective, making it a popular choice for many applications.

In conclusion, the R21-0-8.00A-B01CH circuit breaker is a type of thermal-magnetic circuit breaker that is suitable for many residential and industrial applications. The circuit breaker works by combining the thermal effect and the magnetic effect to shut off the circuit in case of an overcurrent. This type of circuit breaker is UL468 listed, which helps ensure the safety and reliability of the system. This circuit breaker is reliable, efficient, and cost effective, making it a popular choice for many applications.

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