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AMYB/FMYB Series

Marwin's FMYB and AMYB Series limit switches are accurate and versatile valve position indicators. FMYB NEMA 4 watertight / dust-tight is for general purpose environments and AMYB NEMA 7 explosion proof is for hazardous locations.

The FMYB meets the requirements of UL NEMA 4 and 4X. The AMYB meets the requirements of UL /CSA NEMA 4, 4X, 7 and 9.


Features & Benefits




FMYB meets the requirements of UL NEMA 4 and 4X
AMYB meets the requirements of UL/CSA NEMA 4, 4X, 7, and 9
Visual indicator allows changing color or graphics to suit application
Compression sealed indicator to prevent condensation and contaminants from entering and obscuring the display
Electrical housing 100% environmentally sealed with no external paint or decals to fade in sun or wash downs
Corrosion resistant 316 SS external fasteners protected from damage by shrouds, with screw threads isolated from the environment by blind taping
O-ring sealed SS shaft retained in bearing by internal SS lock ring