Browse our vast selection of general-purpose relays. Generally used for PLCs, industrial machinery, and equipment, general purpose relays are used for many aspects of a factory or warehouse. General purpose relays go by a few different names like mechanical relay, electromagnetic relay, miniature relay, and power relay, but all do the same work. Each general purpose relay opens and closes a switch when voltage is applied. Mechanical relays use electromagnetic force to change contacts to either turn off or on currents, signals, and voltages. Choose from opaque or clear see-through mechanical relays from brands you trust like Allen Bradley.
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