R21-1-15.0A-34020-2-V

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

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Circuit breakers are one of the most important safety devices in our homes, offices, and power grid networks. They are designed to detect a fault and shut off the circuit before it can cause any serious damages. In this article, we will be discussing the R21-1-15.0A-34020-2-V application field and working principle.A R21-1-15.0A-34020-2-V circuit breaker is a miniature circuit breaker designed to protect low-voltage electrical systems from overcurrent and short circuits. The breaker has a wide variety of applications including residential, commercial, and industrial. It is designed to be used in 120/240 volts panel boards with a maximum current rating of 15 amps. The breaker is made of plastic housing with a metal base and is UL listed.The R21-1-15.0A-34020-2-V circuit breaker is a thermal circuit breaker, meaning that it uses a bimetal element that increases in temperature when a particular current passes through it. When the temperature reaches a certain threshold, the bimetal bends and ultimately trips, opening the breaker and interrupting the flow of current. This process allows the circuit to be restored quickly and easily by simply flipping the breaker back on.The R21-1-15.0A-34020-2-V circuit breaker also features a panel-mounted reset switch. This reset switch can be used to reset the circuit breaker manually without having to power off the entire circuit. This reset switch is often used to reset the breaker after a breaker trip has occurred. The reset switch is also used to reset the breaker should the breaker trip unexpectedly.The R21-1-15.0A-34020-2-V circuit breaker also has a variety of safety features to protect the circuit against overcurrent or short circuit. These safety features include a trip-free operation, a power-off connection, a sealed contactor, and trip current adjustment.The trip-free operation ensures that the circuit breaker cannot be forced back on once it has tripped. This is beneficial if the circuit breaker trips due to a fault current on the load side of the breaker. The power-off connection feature protects the breaker from any potentially damaging voltage spikes. The sealed contactor prevents any accidental contact of the breaker’s terminals to whatever voltage source is powering the circuit, and the trip current adjustment means that the breaker can be set to trip at a certain current level without having to worry about the breaker being too sensitive or not sensitive enough.Additionally, the R21-1-15.0A-34020-2-V circuit breaker is designed with maximum safety in mind. The plastic housing is designed to protect the internal components of the breaker while the metal base is used to provide a durable, heat resistant surface. The UL listing further proves that this breaker is built to last and is safe to use.In summary, the R21-1-15.0A-34020-2-V Circuit Breaker is a great choice for those looking to protect their low-voltage circuits. It is designed to be used in 120/240 volts panel boards, has a maximum current rating of 15 amps, and features a variety of safety features. It is also UL-Listed, meaning that it is professionally tested and certified to be a safe and effective device.

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