Gentex 8240PY 24VDC 4-Wire Photoelectric Smoke Detector (Piezo/Y)

  • MPN: 8240PY
  • JMAC ID: 200088297
$63.75
Discontinued Item, Limited Stock
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JMAC_ID:
200088297
df_manual_boost:
1.75
Please Note: In order to keep our prices low, we have a minimum order requirement of $99
The Gentex 8240PY is a 24 VDC, 4-wire photoelectric smoke detector with reverse/local 90dBA piezo/y-integrated horns and 135F fixed temperature self-restoration.

Maintain optimal fire detection performance with included three-position test feature that can simulate real smoke conditions -- a unique testing system exclusive to Gentex's 8000/8003 Series. As with other detectors in the series, this detector includes one Form A dry relay contact for panel connection, with a Form C auxiliary for remote and releasing device services.

The 8240PY can be easily mounted on any standard junction box and includes red pulsing LEDs for alarm and maintenance notification. Perfect for any residental or commercial environment.

UPC: 700217016138
Also known as: GN-9081208

Technical Specifications:
  • Humidity: 10 to 93 percent, relative humidity
  • Temperature: 40F to 100F (4.4C to 38C)
  • Auxiliary: 1 Form C - N.O. (resistive), 1amp at 24VDC, 0.6A ar 120VAC
  • Alarm Contacts: 1 Form A - N.O. (resistive), 1amp and 24VDC, 0.6A at 120VAC
  • Sensitivity: 2.5 percent nominal
  • Alarm Current Consumption: 60mA
  • Standby Current Consumption: 6mA
  • Operating Voltage: 24VDC nominal (18VDC - 30VDC)
  • Diameter: 6 1/2 OD (5 3/4" at ceiling)
  • Depth: 2 5/8"


For more information about the Gentex 8240PY, please contact us.
  • Pulsing LED sensing chamber
  • Easy Wash® on-site maintenance washing program
  • Available in 120VAC and 24VDC
  • Form A/Form C dry relay contacts
  • Quick-disconnect wiring harness
  • 5-to-1 signal-to-noise ratio
  • Nominal 2.5% sensitivity
  • Fully insect screened
  • Solid-state LED condition indicator
  • Mounting hardware adapts to standard junction boxes
  • Dust cover to prevent contamination during installation
  • Listed for releasing device service
  • Protective high air velocity gasket
  • 24 month warranty from date of purchase
  • Horn frequency 3100 Hz (nominal)
  • Temporal 3 evacuation sounding device (8003 Series)
  • Patented three position test

2 Reviews

  • 5
    GENTEX-8240PY

    Posted by 144225 on Jul 15th 2019

  • 5
    GENTEX-8240PY

    Posted by 143389 on Jun 24th 2019

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