Yueqing Zhenglin Electric Appliance is a modern enterprise with nearly 20 years of experience in relay production. The company has several automatic relay production and testing lines. The company has long-term close cooperation with many high-quality parts supporting enterprises. The product quality is stable and reliable, and has won the trust and praise of our customers.
Relay (English name: relay) is an electrical control device. It is an electrical appliance that makes a predetermined step change of the controlled quantity in the electrical output circuit when the change of the input quantity (excitation quantity) meets the specified requirements. It has the interaction between the control system (also called the input loop) and the controlled system (also called the output loop).
The intermediate relay is usually used to transmit signals and control multiple circuits at the same time. It can also be used to directly control small capacity motors or other electrical actuators. The structure and working principle of the intermediate relay are basically the same as those of the AC contactor. The main difference between the intermediate relay and the AC contactor is that the number of contacts is more and the contact capacity is small. When selecting the intermediate relay, the voltage grade and the number of contacts are mainly considered.
Time relay is a very important component in electrical control system. In many control systems, time relay is needed to realize time delay control. Time relay is a kind of automatic control electrical appliance that uses electromagnetic principle or mechanical action principle to delay the closing or breaking of contacts. The feature is that there is a delay between the signal received by the attraction coil and the contact action.
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ZT78-DC12V-C-10A20A四脚Miniature relay
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