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Features
- Proven effective for more than 20 years in helping stop false fire alarms without restricting legitimate alarms
- Lifetime guarantee against breakage of polycarbonate housing in normal use (one year on electronic components)
- Can be used as a guard against physical damage to a manual pull station, with or without the optional warning horn
- Cover is UV-stabilized against sun deterioration
- Optional horn has choice of 95 dB or 105 dB at one foot
- Standard red units have "In Case of Fire ..." label unless specified no label or custom label (charge for custom label)
- Horn housing available in red, blue, green or yellow with optional custom labeling
- When covering a pull station outside, UL requires stations to be listed for outdoor use
- UL Listed to U.S. and Canadian safety standards (also for custom labeling)
- Larger sizes and surface mounted pull stations accommodated with STI-3100 conduit spacer
- Polycarbonate tested for -40?F to 120?F (-40?C to 49?C)
- Weather models have closed cell gaskets
- Power source is 9 VDC alkaline battery included on standard Stopper II (remote powered unit is available)
- "RC" models include one form "C" dry relay contact and is capable of operating from 9-24 VDC remote power or internal 9 VDC battery power
- Not just for pull stations, this cover can also help protect other devices such as EPO’s, call boxes, telephones and emergency shutdowns just by changing the color and messaging
- With backplate and gaskets, UL Listed to NEMA 3R Standards (IP 14 Rating)
Order information
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STI-1100
Stopper II with Horn, Red -
STI-1130
Stopper II with Horn and Spacer, Red -
STI-1200
Stopper II without Horn, Red -
STI-1230
Stopper II without Horn and with Spacer, Red -
STI-1250
Weather Stopper without Spacer -
STI-3150
Weather Stopper with Spacer (clear spacer)
Manuals
- Manuals






