The TVA-E20GNCM is a TopWorx valve position switchbox with a composite resin enclosure. It is rated intrinsically safe.
Position sensing is by two P+F NJ2-V3-N inductive NAMUR sensors. The switchbox has a standard 90° visual indicator showing green for open and red for closed, a NAMUR 316 stainless steel shaft, two M20 resin conduit entries and silicone O-rings.
