FH55-31S-0.5SH

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FH55-31S-0.5SH, a small and widely used electromagnetic relay, is an important component in electronics. It can be used in a variety of applications, such as control circuits, motor circuits, signaling circuits, and other circuits. In this article, we will discuss the application field and working principle of the FH55-31S-0.5SH electromagnetic relay.

The FH55-31S-0.5SH is a single-pole, double-throw (SPDT) electromagnetic relay with a switching capacity of 30A at 28VDC. It is designed for use in control circuits, motor circuits, signaling circuits, and other circuits. Its compact size makes it ideal for use in tight spaces and its robust construction makes it suitable for long-term applications. The relay has a coil resistance of 100Ω and operates at a voltage range of 12-48VDC.

The primary application field of the FH55-31S-0.5SH is in control circuits. Control circuits are used to control the operation of devices in an automated system. The relay can be used to switch on and off devices or perform logical operations such as AND and OR. In motor circuits, the relay is used to control the speed and direction of a motor. In signaling circuits, it is used to detect and transmit signals. And in other circuits, the relay can be used to control power, temperature, and other parameters.

The working principle of the FH55-31S-0.5SH is based on electromagnetism. When a voltage is applied to the relay’s coil, an electromagnet is created. This electromagnet attracts the contacts inside the relay and switches the relay from its normally open (NO) position to its normally closed (NC) position. When the voltage is removed from the coil, the electromagnet loses its magnetism and the contacts switch back to their original positions.

The FH55-31S-0.5SH is a versatile and robust electromagnetic relay that can be used in a variety of applications, from control circuits to motor circuits. It is designed for use in tight spaces and its robust construction makes it suitable for long-term applications. Its operating voltage range is 12-48VDC and its switching capacity is 30A at 28VDC. Finally, the working principle of the relay is based on electromagnetism–when a voltage is applied to its coil, an electromagnet is created that attracts the contacts inside the relay, switching the relay from its normally open (NO) to its normally closed (NC) position.

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