![Gaugemaster GM500D Universal Relay Switch (DCC Friendly) - OO Scale](http://www.modelrailwaysolutions.co.uk/cdn/shop/products/Gaugemaster_20GM500D_500x290.jpg?v=1614884626)
Gaugemaster GM500D Universal Relay Switch (DCC Friendly) - OO Scale
by Gaugemaster
Sold out
£7.00
SKU GM500D
The GM500D is a DCC friendly self latching relay. It works in conjunction with standard 3 wire point motors being operated via a DCC accessory decoder, it has DPDT contacts and ideal for switching both frog polarity and signals.