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Power Relays, Over 2 Amps

Power relays are devices that switch high power between two different electrical circuits. The 7906540000 is a power relay primarily designed to switch power between two sources and enable load sharing between them. The major application fields of this device include solar and battery back-up systems, emergency lighting and power switching, automotive power systems, and commercial, industrial, and medical power systems.

Construction

The 7906540000 power relay is an integrated device made up of three components: triac switch, voltage protection, and capacitor. The triac switch, which is an electronic switch, is the main component of the device. It is primarily responsible for switching power between two sources. A series connected diode within the switch provides voltage protection to the device. Finally, an internal capacitor within the device helps to reduce electric surge and over current.

Working Principle

The 7906540000 power relay operates by avoiding a direct electrical connection between the two sources. When the switch is closed, the positive and negative terminals of the two sources are connected to form a closed circuit. In this state, electric current flows from the first source in an arc towards the second source. If the power from both sources is balanced, the relay will be off. However, if the current output from one source is higher than the other, the relay will open and the current will be redirected to the higher voltage source. This method of power switching helps protect the device from dangerous electrical surges.

In addition, the relay can be used to switch power in both directions. If both of the sources have the same output voltage, the relay will open when the resistance is increased. This helps protect the device from overheating and prevents electrical arcing.

Types

The 7906540000 power relay is available in two different sizes: Small and Medium. The Small size is typically used in circuits with a current draw of up to 2 Amps, while the Medium size can handle up to 6 Amps. There is also a High Amperage version of the relay, which is capable of handling currents up to 10 Amps.

Advantages

Some of the advantages of the 7906540000 power relay include:

1. The device is capable of handling currents of up to 10 Amps.
2. The relay can be used to switch power in both directions.
3. The diode-protected triac switch helps protect the device from dangerous electrical surges.
4. The internal capacitor helps reduce electric surge and over current.
5. The device is designed for use in circuits with a current draw of up to 2 Amps.

Applications

The 7906540000 power relay is used in a variety of applications, ranging from solar and battery back-up systems, to emergency lighting and power switching, to automotive power systems, to commercial, industrial, and medical power systems. The device is especially useful for applications that require the switching of high power between two different circuits.

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