RC20M12E8K

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RC20M12E8K, a type of circuit breaker, is widely used in many applications including motor protection and switching. It is particularly suitable for protection and control of low-voltage distribution systems when current ratings are from 6A to 12A. The RC20M12E8K circuit breaker comes in two separate parts - a trip unit and a contact assembly.

Design

The RC20M12E8K contact assembly has two terminals for incoming live power and neutral wire, and four terminals for outgoing live power and neutral wires. Inside the RC20M12E8K contact assembly is a zero leakage magnetic arc chute containing a number of contact elements. These contact elements are connected in series and are used to create a magnetic field when energized. This magnetic field causes the contacts to move apart quickly and closes the arc gap in order to reduce arcing and break the circuit.

Working Principle

When the circuit breaker is turned on, current begins to flow through the RC20M12E8K contact assembly and travels down two separate paths. The first path is from the incoming power source through the contact elements which are connected in series. The second path is from the contact elements to the outgoing power source. When the current flow reaches a certain point, the magnetic field that is created by the contact elements causes them to move apart quickly and close the arc gap.

The circuit breaker’s trip unit is also an important component of the RC20M12E8K’s operation. This trip unit is designed to protect the circuit breaker from overloading by tripping the circuit breaker when the level of current traveling through the contact assembly goes above a predetermined limit. The trip unit uses bimetallic strips that bend and snap when the temperature due to current flow increases beyond a certain value. This results in a physical indication of the overloading of the circuit protection device.

Safety

The RC20M12E8K circuit breaker offers a high level of safety in applications. When the circuit breaker trips, it interrupts the flow of current and quickly isolates the circuit. This prevents contact with the live current and helps to reduce the risk of electric shocks, fire hazards, and other damages. Additionally, the trip unit ensures that the circuit breaker will not be overloaded so that further damage or fire hazards can be prevented.

Applications

The RC20M12E8K circuit breaker is suitable for a variety of different applications. These include protection and control of motors, lighting systems, heating systems, air-conditioners, and other low voltage current systems. This circuit breaker is typically employed in both industrial and residential settings and provides effective protection from overloading.

The RC20M12E8K is an efficient and reliable motor protection and switching device that is used in a variety of different applications. It is designed to quickly interrupt a circuit in the event of an overload and provide effective protection. Additionally, the trip unit in the RC20M12E8K circuit breaker helps to ensure that the circuit breaker will not be overloaded and help to further prevent fires and damages.

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