3PDT - What does 3PDT stand for? The Free Dictionary
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.