FMYB & AMYB Limit Switches

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.

Description

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. 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 316SS 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 Permanently marked terminals and switches Four switch capability

  • Electrical Area Ratings FMYB – UL NEMA 4, 4X watertight AMYB – UL / CSA NEMA 4, 4X watertight, NEMA 7 explosion proof and NEMA 9 dust – ignition-proof
  • Mechanical Switches Class 1I Groups C & D – Div. 1 & 2 Class II, Groups E, F & G – Div. 1 & 2 TTL Non-contact (proximity) switches Class I, Groups A & B – Div. 2 Class I, Groups C & D – Div. 1 & 2 Class II, Groups E, F, & G -Div. 1 & 2

Data Sheet
FMYB & AMYB Limit Switch

Overview
Marwin Condensed Catalog

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