7-1393139-5

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Power relays are automatic switches that control a large current or voltage using a much smaller signal. 7-1393139-5 is an example of a power relay. This particular type of relay has wide application fields and an relatively simple working principle.

In terms of application fields, the 7-1393139-5 are typically used in the following main areas. Firstly, they can be seen in commercial buildings in order to control a variety of heating, ventilation and air-conditioning systems. Secondly, they are also widely used in solar power application, such as for the control of photovoltaic inverters. Thirdly, they are ideal for use in motor controlling application, which could be for operating pumps, fans, compressors among other applications.

The working principle is relatively simple. The relay has a control input, which is supplied with a signal, and a set of contacts to control the load. The signal controls the contacts, and thus switches the load. Depending on the type of signal, the power relay can be either a normally open or normally closed relay. When the appropriate signal is applied, the contacts are switched.

The 7-1393139-5 is extremely reliable and can operate at temperatures between -40 to 85 degrees Centigrade, making it ideal for applications which require accuracy and high efficiency. It is also rated to handle up to 2 Amps of current and has an adjustable sensitivity range. This means that the user can set the parameters of the control signal to best application requirement.

In conclusion, the 7-1393139-5 power relay is a reliable and adjustable component for controlling current and voltage in a variety of applications. Its range of application problems, adjustable sensitivity settings and operating temperatures make it an ideal choice for more demanding applications.

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