This Harmony XACS399 is a single isolating block for power circuit - horizontal fixing centres-40mm. It is part of the range Harmony XAC pendant control stations for diameter 22mm plastic signaling...
This contact block is a separate component of the range of control and signaling units, Harmony 9001K / 9001SK diameter 30mm. It is compatible with Harmony 9001K or 9001SK push buttons and switches...
