PR21-2-.500A-XX

Series:	SNAPAK®
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Magnetic (Hydraulic Delay)
Moisture Sensitivity Level (MSL):	--
Current Rating:	500mA
Number of Poles:	2
Actuator Type:	Push to Reset
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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PR21-2-.500A-XX is a type of circuit breaker, a device that is used to protect electronic circuits from overload or short circuit. It stops current flow when the current reaches a certain threshold, preventing damage to electronic components and disabling any further power from being supplied.The PR21-2-.500A-XX has a wide range of applications, notably in industrial settings such as factories and power grids but also in everyday electrical systems, such as computer supplies, cars, and houses. It is also used to protect medical equipment and other sensitive electronics. Its applications are very varied, due to its ability to accurately measure and control current levels, as well as its ability to limit the current quickly, even when responding to sudden surges.The PR21-2-.500A-XX circuit breakers are designed with thermal and magnetic elements in order to detect and respond to excessive current levels. When using a thermal setting, the device uses a bimetallic strip to measure the magnitude of current since, when electricity passes through the strip, it causes the metal to heat up. When the temperature of the strip gets too high, the strip warps and triggers the already prepared mechanism to cut the current from passing. On the other hand, when using a magnetic setting, a small conductor, called an electromagnetic coil, is triggered when the magnitude of the current increases. This creates a magnetic field which then triggers the mechanical switching of the circuit breaker, stopping any further flow of current.The PR21-2-.500A-XX also has an adjustable Settings Level which allow for a specific current value to be set and then used as a trip limit. This is particularly useful in applications such as medical equipment and power grids, as it can be used to prevent damage from occurring to electronics due to too much current. This also helps save energy, since with it set to a lower level, it will prevent any wasted current from passing.The PR21-2-.500A-XX also boasts two other features. The first is its Automatic Reclosing System, which allows the circuit breaker to trip and reset itself if the overcurrent lasts for a longer period of time than it is supposed to. This helps increase safety since it can prevent a circuit from being destroyed if a longer period of over-current happens. The second is its Emergency Close Button, which is useful in emergency situations where the circuit needs to be shut down as quickly as possible.Finally, the PR21-2-.500A-XX has all the necessary protection systems in place to ensure maximum safety, which include safety devices, anti-short circuits, short-circuit current protection, and minimal residual current protection.In conclusion, the PR21-2-.500A-XX is an exceptionally popular circuit breaker, with a wide range of applications and features. It is equipped with thermal and electromagnetic elements to detect and respond to excessive current levels and has an adjustable settings level providing users with the option to set a trip limit. In addition, it also has an Automatic Reclosing System and an Emergency Close Button, among other features. Not only can this device effortlessly detect, respond and prevent overloads, but it also has all the necessary protection systems in place, providing users with maximum safety.

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