3PSWS

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In this article we will discuss the 3PSWS (Three Phase Switched Single Point) application field and working principle. This type of switching system is commonly used to connect three phase power in industrial electrical equipment. It is a simple solution to quickly and easily turn multiple phase power on and off from a single point. It is mostly found in power-supply installations types of electrical engineering units.

The 3PSWS is designed to switch three-phase power to connected loads from one single point. This type of switching system is commonly used in industrial applications where multiple phase power needs to be turned on and off from a single point, usually the control panel. It uses hinged terminals that offer convenient wiring and switching for outside and inside applications such as secondary distribution, transfer switches, generator sets, and many others.

The 3PSWS is mainly composed of three parts: the switch terminals, contactors and the barrier blocks. The switch terminals have a three-phase connector which is connected to the 3PSWS. The Contactors are actuated 3PSWS controlling elements; they provide the on and off switching and control of the connected loads. The Barrier Blocks are used to keep the connectors and contactors separated, thus preventing any unintentional contact between the two.

The working principle of the 3PSWS is quite simple. When the system is triggered by a signal from the controlling device, the contactors activate and the switch terminals are energized. This energizes the loads connected to the 3PSWS, enabling the system to turn them on or off. A break somewhere along the connector will de-energize the loads, turning them off. When the switch terminals are energized, the barrier blocks will insulate the contactors and the switch terminal connection from each other, thus protecting the connected loads from any interference or accidental contact.

The 3PSWS with its barrier blocks is a very useful and efficient terminal block that can be used in a wide variety of applications. It provides a safe and reliable connection point that is highly resistant to accidental contact. It also simplifies the wiring and switching of multiple phase power to loads connected to the system. Thus, it has become an integral part of many industrial power-supply installation types of electrical engineering units.

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