PR21-4-2.50A-32269-5-V

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Circuit breakers are indispensable components of most mechanical and electrical systems, providing overload protection and short circuit protection while allowing safe operation and maintenance. The PR21-4-2.50A-32269-5-V circuit breaker is a common type, widely used in residential and commercial applications.

This type of circuit breaker provides manual reset capability and is designed for AC and DC applications. It is supplied with a single-pole overcurrent trip device, which operates by allowing a current to flow when the demand is normal, but trips and interrupts the circuit when an overload is detected. This trip device is actuated by a magnetic field created by the current flowing in the contact arms, which creates a reactive force of attraction. When the force of attraction is greater than the force of counter-attraction, the breaker trips and the contacts move apart, interrupting the flow of current.

The PR21-4-2.50A-32269-5-V circuit breaker is typically used in residential and commercial settings, to protect electrical systems from power overloads and short circuits. Some examples of applications include Overhead and Underground Service Substations, Industrial and Automation Control Equipment, and Emergency Power Systems. It is a UL-certified, electro-mechanical device that is suitable for operation in hazardous and critical electrical installations.

The PR21-4-2.50A-32269-5-V is designed for rapid and reliable tripping, providing instantaneous protection against short circuits. Its features also include short circuit current rating (SCCR) up to 20kA Willing interrupt and close, safety lockouts, and aluminum housing. The device is also suited to Heavy Duty and Interrupting Duty applications.

Overall, the PR21-4-2.50A-32269-5-V circuit breaker is a reliable and durable device, suitable for use in a range of applications. It helps ensure the safe operation and maintenance of electrical systems, providing protection against overloads and short circuits. The device is affordable and easy to install, making it a popular choice for residential and commercial applications.

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