The Tyco MUBEX 517.050.610 is an intrinsically safe detector base that is used with the Tyco M600Ex series. The Tyco MUBEX does not need aligning, as the detector LED is visible through 360°.
Suitable for use with:
Tyco 601FEX-M Intrinsically Safe Point Flame Detector 516.600.067
Tyco MR601TEx I.S. Enhanced Optical Smoke Detector 516.054.011.Y
For higher ingress protection, you can use Tyco DHM-4B Deckhead Mounting Box 4″ 517.050.051.