What this LED-stack module fits
The 3RA9012-5CH60 is a GM-SET LED-stack module kit — yellow light, 24 VDC, consisting of the light module and the LED itself. It mounts as the visual alarm tier on a Siemens signal tower assembly in a motor starter or control panel. Listed under Motor Starters in the Siemens catalog, it is the yellow alarm segment of a multi-tier stack used to indicate fault or warning conditions on a motor line.