3PDT

AcronymDefinition
3PDTThree Pole, Double Throw (switch)
References in periodicals archive ?
Octal relays and bases (both 8- and 11-pin) comprises the PR3 Series, in 10A DPDT and 10A per pole 3PDT versions with AC or DC coil voltages.
Cube relays are available in 24, 120, and 240 VAC and 24 VDC models (1PDT, 2PDT+ 3PDT, or 4PDT).
Reed relays are much more expensive in SPDT, DPDT, 3PDT and 4PDT configurations.