Tam Valley Depot ~ Remote SPDT 10 A Relay Board ~ RSR001
This remote relay plugs in to the breakout daughter board (below) and gives you one high-power circuit for powering frogs, signals and so forth. Board has a 12V, 10A hi-sensitivity relay that draws just 30 mA, relay drive circuitry, and a terminal block for easy wiring.
Can also be used without the Quad - red wire, 12V, black wire, ground, white wire, signal (0V = OFF, greater than 1.4V is ON). Comes with a 12" extension cord - extra length can be added with servo extensions.
Does not work with Micro Singlet. For Singlet II only