A bistable relay, also known as a latching relay, is an essential component in electrical and electronic systems due to its ability to maintain its state without continuous power. This type of relay is widely used in applications where energy conservation and reliable switching are important. In this article, we will explore the fundamental principles of bistable relays, their working mechanism, applications, and advantages.
What is a Bistable Relay? A bistable relay is an electromechanical switch that can exist in one of two stable states: “on” or “off.” Unlike conventional relays that require continuous power to maintain their position, bistable relays retain their state after being switched, even when the input power is removed. This unique characteristic makes them highly energy-efficient, as they do not consume power to stay in a particular position once switched. The bistable relay operates using a mechanism that latches the relay’s contact in either state, and it can be toggled between these states using electrical pulses or signals.
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