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Home --> Fire Alarm Systems
6426
  • General
  • Feature
  • Specification
System Sensor Model 6424 Projected Beam Smoke Detector is uniquely suited for protecting open areas with high ceilings where conventional spot type smoke detectors are difficult to install and maintain. Listed for operation at the broadest temperature range in the industry (–22°F to 131°F), the 6424 can be used in garage or warehouse applications to provide early warning in environments where temperature extremes exceed the capability of spot-type smoke detectors. The 6424 consists of a transmitter and receiver with separate alarm and trouble signals which distinguish between a percentage of signal blockage and a total beam block. Four alignment LEDs on the front of each unit indicate signal strength to ease alignment. The Remote Test Station with alarm LED indicator, Model RTS451, is an accessory that mounts to a standard single gang box and can test and reset the Beam Detector from a remote location.
30′ to 330′ protection range Broad operating temperature range (–22°F to 131°F) 4-wire 24 VDC operation Receiver and transmitter may be powered separately or together One EOL power relay supervises both receiver and transmitter Calibrated test filter included Ceiling and wall mount brackets included Alignment LEDs – No special tools required Built-in automatic gain control compensates for signal deterioration from dust build-up Remote test station option 3-year warranty
Voltage 20 to 32 VDC Maximum Maximum Ripple Voltage 6.0v (peak to peak) Standby Current (24 VDC) 10mA maximum Alarm Current (24 VDC) 28.4mA maximum Trouble Current (24 VDC) 27.1mA maximum Start-up Surge Current (24 VDC) 19mA maximum Relay Contacts Current (24 VDC) .5A at 30VAC/DC Reset Time .6 seconds maximum Start-up Time (after 5 min. reset) 1 minute maximum Power Loss Retain memory for 5 minutes minimum Electrical (Transmitter) Specifications Voltage 18.8 to 32 VDC Maximum Ripple Voltage: 5.6v (peak to peak) Current (24VDC) 10mA maximum Mechanical Specifications Dimensions w/no bracket 2.5″H x 8.5″W x 7″D Dimensions w/ceiling mount bracket 5.5″H x 8.5″W x 7″D Dimensions w/wall mount bracket 5.5″H x 8.5″W x 10″D Weight Receiver 1.5 lb (663 g) Transmitter 1.3 lb (598 g) Mounting Separate ceiling and wall brackets Wiring Plug with attached cable
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