|Created||August 15, 2013|
|Last modified||August 15, 2013|
|Tags||diode dpdt dpdt-relay relay transistor|
The contacts of a relay can be protected from the damaging effects of reversing an actuator. The circuit shows a double-pole double-throw relay driving an actuator. The 4 "bridge diodes" around the actuator "squelch" the back-emf from damaging the contacts.
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