Wheelock has the broadest UL Listed weatherproof product line in the industry for wall and ceiling mount with an extended temperature range of -31°F to 150°F (-35°C to 66°C) per UL 1638.
The Wheelock MTWP Series Weatherproof Appliances are four‑wire appliances listed for indoor or outdoor use. They provide eight tone patterns, two sound output levels, and a strobe rated at 75 cd at -31°F (-35°C) and 180 cd at +77°F (+25°C). The temporal (Code 3) horn and tone patterns meet ANSI/NFPA/ISO requirements for standard emergency evacuation signaling.
Features:
- Field‑selectable choice of eight nationally and internationally recognized alerting signals
- Two installer‑selectable sound output levels
- Strobe rated at 75 cd at -31°F (-35°C) and 180 cd at +77°F (+25°C)
- NFPA and ANSI compliant
