Actuators & Accessories > FMYB/AMYB 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. |
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 |
Download More Information



FMYB/AMYB Series Cutsheet
Condensed Catalog
For More Information



Find Your Local Representative
Request Literature
Search by Series
Marwin Spec Sheet
Actuator Sizing Program
Valve Sizing Program
FMYB/AMYB Series Cutsheet
Condensed Catalog
For More Information
Find Your Local Representative
Request Literature
Search by Series
Marwin Spec Sheet
Actuator Sizing Program
Valve Sizing Program




