The Redington Model 722 provides an AC Hour Meter with an operating range of 90‑264VAC 50/60 Hz. You no longer require two separate meters, one for 115VAC and one for 230VAC. Models are available in the standard industry housings, 2‑Hole Rectangular, Flush‑Rectangular, Flush‑Round and 3‑Hole Round. Its quartz time base insures accurate long‑term time keeping. The Totally Sealed case protects against the environment and provides years of reliable service. All models are NEMA 4X,12 rated when mounted with optional gasket.