About 122,000 results
Open links in new tab
  1. The D4120 and JD4P120 detectors are designed to operate on 24 VDC/VAC or 120 VAC. Alarm and supervisory relay contacts are available for control panel interface (alarm initiation), HVAC …

  2. System Sensor D4120 Duct Smoke Detector - ADI Global

    The InnovairFlex D4120 4-wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints and mounts to round or rectangular ductwork.

  3. Important Notes on 2:1 Sensor-to-Power Capability all InnovairFlex models. The feature is only available on the D4120 4-w 2:1 sensor-to-power capability can be enabled using one D4120 …

  4. D4120 - SYSTEM SENSOR - Duct Smoke | Anixter

    The InnovairFlex D4120 4-wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints and mounts to round or rectangular ductwork.

  5. System Sensor D4120 Duct Smoke Detector, 4 Wire, Photo Type

    A plug-in sensor head offers superior false alarm immunity. These features, plus a NEMA 4 rating, allow operators to mount the detector to rooftop HVAC equipment or use the detector in other …

  6. System Sensor D4120 Installation And Maintenance ... - ManualsLib

    View and Download System Sensor D4120 installation and maintenance instructions manual online. Air Duct Smoke Detector with Extended Air Speed Range. D4120 smoke alarm pdf …

  7. D4120 | System Sensor | Gas & Specialty Sensors - kele.com

    The InnovairFlex D4120 4-wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints. Because the detector mounts to round or …

  8. InnovairFlex™ D4120 4-Wire Duct Smoke Detector | Smoke …

    InnovairFlex™ 4-Wire Duct Smoke Detector provides reliable smoke detection in HVAC ducts, ensuring safety and compliance in commercial buildings.

  9. D4120 - System Sensor D4120 - 4-Wire Duct Smoke Detector, 4 …

    This unit senses smoke in the most challenging conditions, operating in airflow speeds of 100 to 4,000 ft/min, temperatures of -4 F to 158 F, and a humidity range of 0 to 95% non-condensing. …

  10. System Sensor D4120 Duct Smoke Detector 4 Wire

    The System Sensor D4120 Duct Smoke Detector 4 Wire provides reliable detection of smoke in HVAC ducts. This device is crucial for preventing the spread of smoke and fire through a …