TWTADE Waterproof Latching Reverse Polarity Switch 12V 10 Amps DC Motor Control 6 Pin 3 Position ON/Off/ON Metal DPDT Toggle Switch with Waterproof Boot Cap and 21mm Terminal Wires E-TEN-1322-DMX: Amazon.com: Industrial
DMX Projector Shutter Button | Simple control of DMX Projector Shutter
ON-OFF-ON Multi-pole DIP switch (Two Common): Thru-hole Lead DMXA/H