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OFF ON FLASH TOGGLE SWITCH FLICK LIGHT HD CAR DASH 20A 12V ROBINSON K878
12V Off/On/Flash Heavy Duty Toggle Switch
K878
Description
- Double Pole
- 20amp @ 12 Volt
- Fits a 12.5mm round hole
- 3 x 6.3mm lucar terminals
- Lever is 28mm long
What do SPST, SPDT, DPST, and DPDT mean?
SP and DP refer to single pole and double pole, ST and DT refer to single throw and double throw.
Pole refers to the number of circuits controlled by the switch: SP switches control only one electrical circuit. DP switches control two independent circuits (and act like two identical switches that are mechanically linked). Do not confuse ‘pole’ with ‘terminal’. The DPST switch, for example, has four terminals, but it is a DP, not a 4P switch.
Throw refers to the extreme position of the actuator: ST switches close a circuit at only one position. The other position of the handle is Off. DT switches close a circuit in the Up position, as well as the Down position (On-On). A DT switch can also have a center position (frequently On-Off-On).
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