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Part# STI-1200A-HTR

The Stopper II is a patented device that has been helping stop false fire alarms around the world for more that 20 years, without restricting legitimate alarms.  This Stopper II enclosure with heater allows addressable dual monitor modules to be installed inside or outside in temperatures below UL Listing limits or in other NEMA 3R environments.  UL/cUL Listing requires outdoor rated stations.  The cover offers excellent protection against physical damage (both accidental and intentional), as well as other environments inside and outside.  Also ideal for inside of walk-in-freezers.

• For use in areas where temperature or environmental conditions exceed the operating range of addressable manual pull stations.
• UL Listed to U.S. and Canadian safety standards for dual monitor addressable modules using a standard outdoor listed stations down to -70ºF (-57ºC) UL File S2466.
• Enclosure rated to NEMA 3R Standards.
• UL Listing does not require standby or secondary power for the 110 VAC 60 Hz heater.
• The thick, clear polycarbonate cover is UV-stabilized against discoloration.
• Fan runs continuously to maintain a uniform temperature inside the enclosure.
• Heater unit cycles as required to maintain the correct range of operating temperature.
• Polycarbonate backed by a lifetime warranty against breakage in normal use, one year on electronics.

SIZE:

Stopper II fits virtually all manual pull stations, accommodating units up to:

5 1/2 in. wide x 7 in. high x 2 3/4 in. deep.

conduit spacers are available for deeper units

Polycarbonate Enclosure

• Flammability:   UL94 V-2
• Wall Thickness:  backbox:  .20 inches (5.1mm) cover:  .12 inches (3.1mm)
• NEMA Rating:    3R
• Warranty:    Lifetime against breakage in normal use (one year on electronics from time of installation)

Silicone Laminate Heater

• 110 VAC 50-60 Hz  UL Recognized Component
• 110 Watte
• Life:  @ -10ºC (14ºF) ~ 70ºC (158ºF)  5Years
• Duty Cycle: -40ºF (-40ºC) 16%, -70ºF(-57ºC) 38%,    -99ºF(-73ºC) 100%

Fan

• 24 VDC (~10%), 90mA UL Recognized Component 5
• Life, 5 Years Continuous Duty

WARNING:  The polarity of the circulating fan is important as it only rotates in one direction with red lead being positive.

Gasket

• Material:  Neoprene
• Life:  5 Years     

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