Circuitron 800-5624 ER-2 External Relay Wheel Sets - 36" and HO scale locomotives up

and HO scale locomotives up to 18V track voltage

Medium and Dark Green Realistic Tree Kits teach you to make unique deciduous trees ranging from 3/4" - 7" (1

2 cm) Wire

Add a Vehicle to a Just Plug Light Hub for easy installation

Metal Sideframes & Fully Sprung Self Centering Bolster

Circuitron 800-5624 ER-2 External Relay Wheel Sets - 36" and HO scale locomotives upCircuitron 800 5624 ER 2 External Relay Although the outputs on Circuitron Detection Circuits are extremely flexible, they cannot directly control large amounts of current, or AC powered devices. With the addition of an external relay, though, these jobs are easily accomplished.