PR21-61-5.00A-XX-V

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Circuit breakers are vital components in industrial, commercial, and residential electrical systems. They offer overload protection, short-circuit protection, and ground-fault protection. The PR21-61-5.00A-XX-V is a circuit breaker that is commonly used in these electrical systems. It is important to understand the application field and working principle of this circuit breaker in order to ensure its proper use and operation.

Application Field

The PR21-61-5.00A-XX-V circuit breaker is designed for use in low- and medium-voltage AC and DC electrical systems. It is typically used in the following applications:

• Motor starters and drives
• Lighting and power circuits
• Air conditioning systems
• Elevators, escalators, and conveyors
• Packaging equipment
• Pumps and compressors
• Medical and laboratory equipment

The PR21-61-5.00A-XX-V can also be used in hazardous and corrosive environments, such as oil and gas facilities, chemical plants, and food processing plants. This makes it a great choice for safety-critical industrial applications.

Working Principle

The PR21-61-5.00A-XX-V circuit breaker works by using an electromagnetic device to automatically detect, and rapidly break, circuit overloads and short circuits. When the current flow in a circuit exceeds the breaker\'s rated current (5.00A), an electromagnet is energized and an attached contact armature rapidly moves to the open position. This action effectively severs the circuit and stops the flow of current. When the circuit is repaired and the breaker is reset, the contact armature moves back to the closed position, allowing current to flow again.

The PR21-61-5.00A-XX-V circuit breaker also offers ground-fault protection. In the event of an earth leakage fault, the breaker trips, engaging the contact armature and interrupting the circuit. This is essential for users working in hazardous environments, as it helps to ensure that earth faults are quickly detected and eliminated, protecting personnel, property, and equipment.

Conclusion

The PR21-61-5.00A-XX-V is a heavily-used circuit breaker that offers overload, short-circuit, and ground-fault protection. It is designed for use in a variety of industrial, commercial, and residential applications, and is suitable for use in hazardous and corrosive environments. Understanding the application field and working principle of this circuit breaker is essential for proper use and operation.

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