There are four variants of such switches They are SPST, SPDT, DPST and DPDT S Single D Double P Pole T Throw Poles refer to number of connecting terminals from input side to output side Single pole means there is one line from input to outpGE TH6661 GE SpecSetter TH6661 Fused Heavy Duty Safety Switch, 600 VAC, 30 A, 71/2 hp, 6 Poles Please fill out our nonstock/special order form and we'll getTriplepole singlethrow (TPST or 3PST) knife switch used to short the windings of a 3‑phase wind turbine for braking purposes Here the switch is shown in the open position Here the switch is shown in the open position
Prototype Of The Proposed Fixed Dpdt Switch With Switchable Download Scientific Diagram
Tpst switch full form