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Question
Can a direct current be applied to one set of contacts and an alternating current to another set of contacts on the same Relay?
Answer
Yes, but problems may occur depending on the load conditions. If different currents are applied to the Relay, do not have it simultaneously switch a large load and a microload, and do not use the Relay in a circuit with a difference in electric potential across the circuit.
The purity of the contacts used for microload switching will be lost due to the contact spattering that occurs when switching a large load, and this may cause contact failure when switching a microload.
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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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