F39-EJ1020-D

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F39-EJ1020-D Application Field and Working Principle

F39-EJ1020-D is an example of a 4-pin relay switch, classified as an accessory due to its switch function. Its specific application field and working principle is described in this article.

Application Field

F39-EJ1020-D is suitable for general industrial uses and is applicable in both AC and DC circuits. It can be used as a control system for small machines or home appliances and as an operator for general electrical load, motor or lighting systems. As with most relay switches, it is suited for a wide range of applications in industrial sectors such as automation, heating and ventilation, signal control, refrigeration, etc.

Working Principle

The relay switch works by cutting off the flow of electrical current. When it is in its normal rest position, the two contact sets are open, and current does not flow. When the set activation voltage is achieved, an electric coil inside the relay switch creates a magnetic field. This field moves the armature to the opposite position, bringing the two contacts together, thus closing the circuit.

F39-EJ1020-D is a 4-pin relay switch, which means that there are four contact terminals: two inputs and two outputs. A 12V direct current is passed through the coil, which causes a magnetic field to be generated and the armature to be attracted. The two contacts then come into contact, and a signal from one of the two inputs is used to open or close the circuit.

Conclusion

In conclusion, F39-EJ1020-D is a 4-pin relay switch that can be used as an accessory in various applications, including automation and signal control. Its working principle relies on a current passing through an internal coil, which generates a magnetic field and moves the armature to either open or close contact. This switch is suitable for both AC and DC circuits, making it a versatile tool for many industries.

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