Created by
Created August 15, 2013
Last modified August 15, 2013
Tags diode   dpdt   dpdt-relay   relay   transistor  


Not provided.


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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