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Each of the D273 Series Detector models is UL Listed and works with commercial fire protective signaling and household fire warning systems. Each model detects smoke particles produced during wood, paper, and fabric combustion. The D273 Series Detector models use an infrared (IR) LED light source and a silicon photodiode to measure light in a chamber. A fine screen covers the chamber to reduce dust accumulation, deter insects, and reduce nuisance alarms. 12 VDC or 24 VDC inputDesigned for commercial or residential use; Four-wire applications Light emitting diodes (LEDs) indicate the status of the chamber, power, and alarm Removable terminal block to simplify wiring connections Cable connection point for voltmeter sensitivity testTrim Plate TP280 for retrofit and remodeling purposes
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Each of the D273 Series Detector models is UL Listed and works with commercial fire protective signaling and household fire warning systems. Each model detects smoke particles produced during wood, paper, and fabric combustion. The D273 Series Detector models use an infrared (IR) LED light source and a silicon photodiode to measure light in a chamber. A fine screen covers the chamber to reduce dust accumulation, deter insects, and reduce nuisance alarms. 12 VDC or 24 VDC inputDesigned for commercial or residential use; Four-wire applications Light emitting diodes (LEDs) indicate the status of the chamber, power, and alarm Removable terminal block to simplify wiring connections Cable connection point for voltmeter sensitivity testTrim Plate TP280 for retrofit and remodeling purposes
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REPLACES DS-DS284THCS Each of the D273 Series Detector models is UL Listed and works with commercial fire protective signaling and household fire warning systems. Each model detects smoke particles produced during wood, paper, and fabric combustion. The D273 Series Detector models use an infrared (IR) LED light source and a silicon photodiode to measure light in a chamber. A fine screen covers the chamber to reduce dust accumulation, deter insects, and reduce nuisance alarms. 12 VDC or 24 VDC inputDesigned for commercial or residential use; Four-wire applications Light emitting diodes (LEDs) indicate the status of the chamber, power, and alarm Removable terminal block to simplify wiring connections Cable connection point for voltmeter sensitivity testTrim Plate TP280 for retrofit and remodeling purposes
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REPLACES DS-DS284THE Each of the D273 Series Detector models is UL Listed and works with commercial fire protective signaling and household fire warning systems. Each model detects smoke particles produced during wood, paper, and fabric combustion. The D273 Series Detector models use an infrared (IR) LED light source and a silicon photodiode to measure light in a chamber. A fine screen covers the chamber to reduce dust accumulation, deter insects, and reduce nuisance alarms. 12 VDC or 24 VDC inputDesigned for commercial or residential use; Four-wire applications Light emitting diodes (LEDs) indicate the status of the chamber, power, and alarm Removable terminal block to simplify wiring connections Cable connection point for voltmeter sensitivity testTrim Plate TP280 for retrofit and remodeling purposes
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REPLACES DS-DS284THES Each of the D273 Series Detector models is UL Listed and works with commercial fire protective signaling and household fire warning systems. Each model detects smoke particles produced during wood, paper, and fabric combustion. The D273 Series Detector models use an infrared (IR) LED light source and a silicon photodiode to measure light in a chamber. A fine screen covers the chamber to reduce dust accumulation, deter insects, and reduce nuisance alarms. 12 VDC or 24 VDC inputDesigned for commercial or residential use; Four-wire applications Light emitting diodes (LEDs) indicate the status of the chamber, power, and alarm Removable terminal block to simplify wiring connections Cable connection point for voltmeter sensitivity testTrim Plate TP280 for retrofit and remodeling purposes
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REPLACES DS-DS284THR Each of the D273 Series Detector models is UL Listed and works with commercial fire protective signaling and household fire warning systems. Each model detects smoke particles produced during wood, paper, and fabric combustion. The D273 Series Detector models use an infrared (IR) LED light source and a silicon photodiode to measure light in a chamber. A fine screen covers the chamber to reduce dust accumulation, deter insects, and reduce nuisance alarms. 12 VDC or 24 VDC inputDesigned for commercial or residential use; Four-wire applications Light emitting diodes (LEDs) indicate the status of the chamber, power, and alarm Removable terminal block to simplify wiring connections Cable connection point for voltmeter sensitivity testTrim Plate TP280 for retrofit and remodeling purposes
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REPLACES DS-DS284THS Each of the D273 Series Detector models is UL Listed and works with commercial fire protective signaling and household fire warning systems. Each model detects smoke particles produced during wood, paper, and fabric combustion. The D273 Series Detector models use an infrared (IR) LED light source and a silicon photodiode to measure light in a chamber. A fine screen covers the chamber to reduce dust accumulation, deter insects, and reduce nuisance alarms. 12 VDC or 24 VDC inputDesigned for commercial or residential use; Four-wire applications Light emitting diodes (LEDs) indicate the status of the chamber, power, and alarm Removable terminal block to simplify wiring connections Cable connection point for voltmeter sensitivity testTrim Plate TP280 for retrofit and remodeling purposes
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REPLACES DS-DS284THSR Each of the D273 Series Detector models is UL Listed and works with commercial fire protective signaling and household fire warning systems. Each model detects smoke particles produced during wood, paper, and fabric combustion. The D273 Series Detector models use an infrared (IR) LED light source and a silicon photodiode to measure light in a chamber. A fine screen covers the chamber to reduce dust accumulation, deter insects, and reduce nuisance alarms. 12 VDC or 24 VDC inputDesigned for commercial or residential use; Four-wire applications Light emitting diodes (LEDs) indicate the status of the chamber, power, and alarm Removable terminal block to simplify wiring connections Cable connection point for voltmeter sensitivity testTrim Plate TP280 for retrofit and remodeling purposes
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Use the D292 Fourwire Detector Base with smoke and heat detector heads to provide early fire warning for life safety and property protection systems. Variety of interchangeable smoke and heat detector headsDetector's head removes easily by twistingTwo piece detector head and base design allows pre-wiring the system REPLACES DS-MB4W
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REPLACES DS-MB4WA The D293 Series includes the D293A Fourwire Detector Base with Auxiliary Form C Relay, the D293E Fourwire Power Supervision Detector Base, and the D293S Fourwire Detector Base with Sounder. Use these bases with smoke and heat detector heads to provide early fire warning for life safety and property protection systems. Variety of interchangeable smoke and heat detector headsDetector's head removes easily by twistingTwo piece detector head and base design allows prewiring the systemExternally powered sounder (85 dB at 10 ft [3 m])
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REPLACES DS-MB4WE The D293 Series includes the D293A Fourwire Detector Base with Auxiliary Form C Relay, the D293E Fourwire Power Supervision Detector Base, and the D293S Fourwire Detector Base with Sounder. Use these bases with smoke and heat detector heads to provide early fire warning for life safety and property protection systems. Variety of interchangeable smoke and heat detector headsDetector's head removes easily by twistingTwo piece detector head and base design allows prewiring the systemExternally powered sounder (85 dB at 10 ft [3 m])
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REPLACES DS-MB4WS The D293 Series includes the D293A Fourwire Detector Base with Auxiliary Form C Relay, the D293E Fourwire Power Supervision Detector Base, and the D293S Fourwire Detector Base with Sounder. Use these bases with smoke and heat detector heads to provide early fire warning for life safety and property protection systems. Variety of interchangeable smoke and heat detector headsDetector's head removes easily by twistingTwo piece detector head and base design allows prewiring the systemExternally powered sounder (85 dB at 10 ft [3 m])
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