Thursday, 31 March 2016

What is the full meaning of DPDT

What is the full meaning of DPDT


DPDT 

     Double Pole Double Throw. These have two rows of change-over terminals. Equivalent to two SPDT switches or relays actuated by a single coil. Such a relay has eight terminals, including the coil  .



What is the full meaning of DPST

What is the full meaning of DPST

DPST 

      Double Pole Single Throw. These have two pairs of terminals. Equivalent to two SPST switches or relays actuated by a single coil. Including two for the coil, such a relay has six terminals in total. The poles may be Form A or Form B (or one of each).


SPST DPST DPST