HJ4-L-AC220/240V-R

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Power relays are an essential component when it comes to electronic circuits. There is great variety in their design, with different sizes, contact arrangements, and performance factors. The HJ4-L-AC220/240V-R power relay is one such type, as it is capable of controlling currents of up to 2 amps. Let\'s take a look at the application field and working principle of this versatile power relay.

The HJ4-L-AC220/240V-R power relay is mainly used in residential and industrial electrical distribution networks. This powerful device can be used for switching AC currents of up to 2 amps and is suitable for both indoor and outdoor applications. It is highly reliable and a cost-effective solution for electrical networks, as it uses less material and consumes less energy compared to traditional relays.

The HJ4-L-AC220/240v-R is a single-pole double-throw (SPDT) mechanical-type power relay. It comes with 1 normally-open (NO) and 1 normally-closed (NC) contact, both of which are actuated by a common electromagnet. When a signal is applied to the relay coil, it opens or closes the two contacts according to the type of signal received.

In terms of its working principle, the power relay works on the principle of magnetic induction. When a current passes through the power relay, a magnetic field is generated which interacts with the two contacts, resulting in either being opened or closed. The signal type controls the interaction and when the signal is removed, the two contacts go back to their original state — either open or closed.

The HJ4-L-AC220/240v-R is designed to work at temperatures ranging from -40°C to 85°C. It also features an insulation resistance of over 1000 MΩ and a minimum pick-up voltage of 75 VAC. This power relay is also designed to withstand over-voltage and short-circuit conditions. Its contacts are gold-plated for improved performance, and it is also resistant to electromagnetic interference.

Overall, the HJ4-L-AC220/240V-R power relay is a reliable and cost-effective device designed to handle AC currents up to 2 amps. It is suitable for both indoor and outdoor applications, and it can operate at temperatures ranging from -40°C to 85°C. Its high insulation resistance makes it resistant to electromagnetic interference, and its gold-plated contacts increase its performance. With these features in mind, this power relay is an excellent choice for any residential or industrial electrical distribution network.

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