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Can I use Sealevel reed relay cards to switch other relays or inductive loads?
Reference Number: AA-00162 Views: 4056 Created: 12/09/2009 09:11 am Last Updated: 09/02/2016 04:22 pm 0 Rating/ Voters

Sealevel Digital I/O products with reed relays are not designed to switch inductive loads such as the coil on another relay. If you need to switch an inductive load, Sealevel recommends using a Digital I/O product with Form C relays instead. You should remember to place a diode parallel to the coil to suppress the inductive kickback voltage. Failing to install a diode will shorten the life of the relay contacts.

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