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The structure principle of 4pin relaTime of issue : 2021-04-29
4pin relay is generally composed of iron core, coil, armature, contact reed, etc. As long as a certain voltage is applied to both ends of the coil, a certain current will flow in the coil, which will produce electromagnetic effects.
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How to connect 4 pin relay wiringTime of issue : 2021-04-22
4 pin relay is generally composed of iron core, coil, armature, contact reed, etc. As long as a certain voltage is applied to both ends of the coil, a certain current will flow in the coil, which will produce electromagnetic effects.
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