PR21-62F-16.0A-33551-16-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:	Push to Reset
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Introduction

Circuit breakers are devices that interrupt an electrical current when a fault or surge occurs on the circuit. They provide protection to an electrical system by shutting off the power before it damages any component or device in the system. PR21-62F-16.0A-33551-16-V is an example of a circuit breaker, and this article will look at its application field and working principle.

Application Field

The PR21-62F-16.0A-33551-16-V circuit breaker is mainly used in high-voltage electrical equipment, such as power plants, substations, and industrial facilities. This type of circuit breaker is specifically designed to protect electrical systems from high load currents and fault conditions, meaning that it can be used for circuit protection for medium and high voltage systems.The PR21-62F-16.0A-33551-16-V circuit breaker is specifically designed for use in outdoor weather-proof enclosures, such as the Model #33551-16-V Outdoor Circuit Breaker Enclosure. The enclosure is rated for voltages up to 15kV and is suitable for three phase applications. The enclosure is UL listed, which means that it has been approved by the UL (Under writer’s Laboratories) for use in the United States.

Working Principle

The PR21-62F-16.0A-33551-16-V circuit breaker uses a thermal-magnetic tripping device to sense overloads and protect against circuit faults. In normal operation, when the current flow reaches the pre-set trip level, a built-in thermal element trips, causing the circuit breaker to open. This prevents the current from exceeding any pre-set limits, so that the circuit remains safe.In addition to the thermal element, the PR21-62F-16.0A-33551-16-V circuit breaker also has a magnetic element which is designed to detect short circuit conditions. When a short circuit is detected, the magnetic element trips, which opens the circuit breaker and isolates the fault.

Conclusion

The PR21-62F-16.0A-33551-16-V circuit breaker is a device that is designed to provide protection against overloads and short circuits in medium and high voltage electrical systems. It is designed for use in outdoor, weatherproof enclosures and is UL listed for use in the United States. The circuit breaker uses a thermal-magnetic tripping device to detect overloads and short circuits, and it is capable of interrupting current flows up to 15kV.

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