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Series 280 SENSAGUARD™...
Holder/Release Smoke Detector allows a fire door to remain open
for easy passage, but releases door to close in an emergency.
• Internal ionization type smoke detector powered by a single 9V battery
• Fail-safe releases the door when battery power drops below 7.2 volts
• Ideal for corridors in office buildings, schools, hospitals, etc.
• NFPA 101, Life Safety Code, 5-2.1.8 Self-Closing Devices
• UL Listed
• Adjustable hold-open
• Easy installation
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