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Question
Will the power supply be damaged if the polarity of the coil voltage is connected in reverse for MY2N-D2 General-purpose Relays?
Answer
If the polarity is reversed, the built-in diode will short-circuit, damaging not only Relays, but possibly also power supplies.
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Other General Purpose Relays FAQ
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The Relay does not operate even when voltage is applied. Why is this?
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We were using G2R General Purpose Relay to turn a solenoid valve ON and OFF, and sparks at the contact damaged the relay after only about 3 months of use. What caused this, and what kind of countermeasure is there for it?
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A Relay burned out. Why is this?
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