Stopper Dome Heated Enclosure for Strobe Only NEMA 4X Hazardous Locations, Clear

Availability: Estimated 10 days

Condition: New
Brand: STI
Status: Active
SKU: 10758
Manufacturer Part #: STI-1229HTR-HAZ


Now there is a way to protect your signaling device located where temperature or environmental conditions exceed the suggested operation range. This protective cover with heater assembly for strobe appliances, is UL Listed to U.S. and Canadian Safety Standards. Thermostatically controlled heaters and a continuous duty fan maintain a uniform temperature in the cover when located in a cold environment. Applications include, but are not limited to, refrigerators, freezers, meat packaging plants, arctic environments, ocean rigs, slaughterhouses, etc. UL/cUL Listed down to -70°F (-57°C) applicable both indoors and outdoors.

Additional information

Weight 4.2 lbs
Dimensions 7.75 × 7.75 × 2.87 in

Safety Technology International




Unit of Measurement

EA (Each)

Production Status



  • Maintains operating strobe appliance temperature with external temperatures to -70°F (-57°C).
  • Enclosure temperature is maintained between 50°F and 70°F (10°C and 21°C) 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.
  • NEMA 4X Rated. Dust tight (Class II Group F and G Div. 2). All Class III locations.


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STI Stopper® Dome Heated Enclosure


STI - Data Sheet

STI-1229-HAZ, STI-1229HTR-HAZ and STI-1229HTR240-HAZ Installation Instructions


STI - Installation Instructions