STI 1229HTRHAZ Stopper Dome Heated Enclosure for Strobe Only Type 4X Hazardous Locations

• Maintains operating strobe appliance temperature with external temperatures to -70F (-57C).
• Enclosure temperature is maintained between 50F and 70F (10C and 21C) to prevent external moisture condensation from forming.
• For use in areas where temperature or environmental conditions exceed the operating range of fire strobe signaling devices.
• Protects ADA Compliant strobes to UL 1971 Standards.
• The thick, clear polycarbonate cover is UV-stabilized.
• Rated for indoor and outdoor applications.
• Enables ADA Compliance for visual fire protection systems where freezing temperatures or other harsh conditions exceed the operating limits of strobe signal devices.
• Type 4X Rated. Dust tight (Class II Group F and G Div. 2). All Class III locations.
• 110 VAC heater assembly rated to -70F (-57C).
• Prevents build up of snow on the unit or entry of moisture in wash-down areas to assure that strobes remain clearly visible.
• Fan runs continuously to maintain a uniform temperature inside the enclosure.
• Heater units cycle as required to maintain the correct range of operating temperatures.
• Typical working properties of polycarbonate are -40 to 250F (-40 to 121C).
• Three year guarantee against breakage of polycarbonate in normal use (one year on electro mechanical and electronic components).
• cUL Listing is for UL 1638 strobes only.
• CSFM requires local approval only.
• Enclosed back box.
• Includes double gang appliance plate which eliminates the need for an electrical outlet box.