PP11-59-20.0A-XX-S

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Circuit Breakers: Application Field and Working Principle

Circuit breakers are integral components in any electrical system, capable of both providing protection and enabling the interruption of an electrical circuit for servicing. This is achieved through the introduction or removal of an active breaker into the electrical system, which can be mechanically operated or electronically operated. The PP11-59-20.0A-XX-S model is an electronically operated circuit breaker, and in this article, we will delve into its application field and working principle.

Application Field:

The PP11-59-20.0A-XX-S circuit breaker is designed for use in medium voltage systems, ranging from 11KV to 59KV, with a current rating of up to 20A. These ratings allow it to be deployed in a variety of medium voltage applications, such as motor feeders, internal wiring, street lighting, and commercial and industrial installations. Additionally, due to its small size and light weight, it is an ideal choice for mobile applications, such as mobile homes, RVs and other mobile structures.

Working Principle:

The PP11-59-20.0A-XX-S circuit breaker contains an electromagnet which activates a non-contact switch in response to an electrical over current or short circuit. This non-contact switch, also known as a contactor, is connected to the electrical circuit via a set of three contact poles. When the circuit breaker is activated, the contactor opens, cutting power to the circuit and protecting it from further damage.

The PP11-59-20.0A-XX-S circuit breaker also includes a manually operable handle for initiating and de-initiating the device. When the handle is flipped up, the circuit breaker is activated and the power to the circuit is cut off. When the handle is flipped down, the circuit breaker is de-initiated and power is restored. This provides the user with the ultimate control and flexibility over the operation of their electrical system.

In addition to its manual operation, the PP11-59-20.0A-XX-S circuit breaker can be remotely activated and de-initiated by a signal from a remote signal receiver. This additional control allows the user to control the operation of the circuit breaker remotely, making it an ideal choice for applications such as motor feeders, wherein remote operation may be required for safety reasons.

As demonstrated, the PP11-59-20.0A-XX-S circuit breaker offers a wide range of applications and control options, making it a versatile and useful tool for medium voltage applications.

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