Doug Fleenor Designs DMX6REL1A 6-Channel DMX Relay Pack, Low Voltage | Full Compass Systems
Free Shipping 12CH Relay switch dmx512 signal Controller,only use the signal control ,can't use power control|control box switch|switch control boxcontrol arm - AliExpress
Blue Point Engineering Inc. - DMX Controllers / Hardware
Single Channel DMX Relay Switch
Port-DMX08 Port to DMX Converter | Sensor, Relay, Switch to USB-DMX512 Controller Nicolaudie CQILED