Yueqing Face Electric Co., Ltd.
Yueqing Face Electric Co., Ltd.
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The difference between latching relays and ordinary relays

The main difference between latching relays and ordinary relays is their working principle and characteristics. ‌ Latching relays rely on permanent magnets to maintain their normally closed or normally open state, while ordinary relays use electromagnets to control the switching state. Magnetic latching relays require a certain width of pulse electrical signals to trigger the switching state, while ordinary relays maintain the switching state through continuous current. ‌


In terms of performance, latching relays have the characteristics of power saving, stable performance, small size and large carrying capacity, which make it superior to ordinary relays in many applications. For example, the contact conversion current of latching relays can reach a maximum of 150A, while the current carrying capacity of ordinary relays is relatively low. In addition, the magnetic holding relay has a long life, with a mechanical life of more than 1 million times, while the life of ordinary relays is relatively short.


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