PP21-2-7.50A-OB-V

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Circuit Breakers are essential components of any electrical system. They are designed to protect the system from short circuits and high-current flows. In this article, we will discuss the PP21-2-7.50A-OB-V Circuit Breaker and its application field, working principle and other relevant information.

Application Field: The PP21-2-7.50A-OB-V Circuit Breaker is mainly used in residential and commercial applications where overload and short circuit protection is needed. It is rated for up to 7500 A and is suitable for use with single-phase AC circuits. It is a Class C breaker and can be used in systems with alternating current of up to 480V and direct current of up to 500V.

Working Principle: The PP21-2-7.50A-OB-V Circuit Breaker works on the principle of thermal-magnetic tripping. When an excess current flows through the breaker, the thermal element inside the breaker triggers the magnetic field, which causes the breaker to trip. This process is known as tripping and it helps to protect the system from short circuits and other electrical faults.

The PP21-2-7.50A-OB-V Circuit Breaker is equipped with an adjustable trip setting. This allows the user to set the trip point of the unit and adjust the current level at which the breaker trips. This helps to prevent the breaker from tripping too quickly, which can cause disruption to the system.

The PP21-2-7.50A-OB-V Circuit Breaker also features a visual indicator that shows when the breaker has tripped. This indicator can help the user identify when the breaker has tripped and can help them to quickly repair the fault that caused the breaker to trip.

Finally, the breaker is designed with a reset button. This button allows the user to quickly reset the breaker after it has tripped and restore power to the system. This helps to keep the system running smoothly and prevents further disruption from tripping.

Safe Practices: As with any electrical system, it is important to take safety precautions when using a circuit breaker. The user should always make sure that the breaker is rated for the current that is flowing through the system. The user should also be aware of the breaker\'s trip setting and adjust this accordingly.

Finally, the user should also understand how to properly reset the breaker. If the user follows these safety practices, they can ensure that the breaker works properly and will protect the system from fault currents.

Conclusion: The PP21-2-7.50A-OB-V Circuit Breaker is an essential component for any residential or commercial electrical system. It is designed to provide overload and short circuit protection and is equipped with an adjustable trip setting and reset button. The user should always take safety precautions when using this breaker and understand how to properly reset it.

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