R21-1-20.0A-B06CV-V

Series:	SNAPAK®
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Magnetic (Hydraulic Delay)
Moisture Sensitivity Level (MSL):	--
Current Rating:	20A
Number of Poles:	2
Actuator Type:	Rocker
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Circuit Breakers

Circuit breakers are electrical devices that are designed to disconnect part of an electrical system when an overload has been detected. They are used as a safety measure to prevent excessive current from flowing through an electrical system and causing it to short circuit or damage sensitive components. The R21-1-20.0A-B06CV-V is a specific type of circuit breaker, commonly known as a magnetic trip breaker.

R21-1-20.0A-B06CV-V application field and working principle

The R21-1-20.0A-B06CV-V is a magnetic trip breaker that is primarily used in residential and small commercial applications. It is designed to protect against overloads and short circuits by disconnecting the circuit when the current exceeds a certain level.The R21-1-20.0A-B06CV-V operates on the principle of electromagnetism. Inside the breaker, there is a coil of wire surrounding an iron core. When electricity is applied to the coil, the iron core becomes magnetized and attracts a metal armature which is connected to a switch. When the current reaches a certain level, the armature is pulled and causes the switch to open, thus breaking the circuit and disconnecting the system.The R21-1-20.0A-B06CV-V also contains a thermal trip mechanism which operates independently from the electromagnetic system. This mechanism utilizes a bimetallic strip which is heated by the flow of current. When the current flow is excessive, the bimetallic strip will bend and open the switch, again breaking the circuit.This type of breaker is a cost-effective solution for protecting against overcurrents and short circuits. It is easy to install and relatively maintenance-free, making it a popular choice for residential and small commercial applications.

Conclusion

The R21-1-20.0A-B06CV-V circuit breaker is a highly effective device for protecting against overcurrents and short circuits. It operates on the principles of electromagnetism and thermodynamics, and is a cost-effective solution for residential and small commercial applications.

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