PR21-4-12.0A-39628-12-V

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Circuit breakers are automated electrical switching devices designed to protect electrical circuits from destruction caused by heat build up or short circuits. They are valuable safety devices, as they are designed to immediately detect a fault in a circuit, and then shut off the power to that circuit to prevent further damage or ignition of a fire.The PR21-4-12.0A-39628-12-V is one such circuit breaker, and is used in a variety of applications. It is a Double Pole, Single Throw (DPST) switching device, which is best suited for providing electrical isolation in homes, schools, businesses, and industrial environments.In addition to this practical protective purpose, the PR21-4-12.0A-39628-12-V also allows for a degree of automated control to be added to a circuit. In this way, it can be used as an on/off switch, or as part of a larger electrical control system.The PR21-4-12.0A-39628-12-V circuit breaker has a Trip Length of 12mm, which is the distance a connected conductor must be heated to before the breaker\'s contacts snap shut. This is designed to prevent overheating of both the device itself and the component electronics connected to it.The PR21-4-12.0A-39628-12-V circuit breaker also has an interchangeable contact rated for 125VAC and 32VDC, making it suitable for different voltage requirements. This is designed to ensure the breaker is always capable of handling the needs of the circuit it is protecting.The PR21-4-12.0A-39628-12-V also has a pre-trip indication feature and a test button, allowing the user to conveniently reset the breaker without having to open it up and reset the contacts. This helps to make the device safer and more reliable.The PR21-4-12.0A-39628-12-V has a number of characteristics that make it ideal for use in industrial, commercial, and institutional applications. It is UL 489 rated, which means it is approved by Underwriters Laboratories, Inc. to help ensure safety in all electrical systems it is used in. It also has a short-time pickup current rating, which eliminates energy spikes and allows for safer operation.In addition to its safety rating, the PR21-4-12.0A-39628-12-V also has a low maintenance design. Its spring-assisted mechanism ensures that the breaker\'s contacts are hermetically sealed and built to last, with no need for regular inspection or maintenance.The PR21-4-12.0A-39628-12-V is a modern, reliable, and safe circuit breaker, and is suitable for a wide range of applications. It ensures that your electrical system is safe and secure, free from the threat of short circuits, energy spikes, and heat build up. Furthermore, its low maintenance design means that it requires minimal upkeep and offers reliable performance for years to come.

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