D290 Four‑wire Detector Base (24 VDC)

Commercial Type No.: D290
Product No.: 4.998.800.527

D290 Four‑wire Detector Base (24 VDC)
  • 24 VDC, four‑wire circuit compatibility
  • Dual Form C relays
  • Low profile construction
  • Easy to install and service
  • Molded in UL Listed white ABS plastic
  • Details
    Current (alarm): 43 mA
    Current (standby): 0.035 mA to 0.055 mA; depends on detector head
    Voltage (operating): 17.7 VDC to 30 VDC
    Temperature (operating): +32°F to +100°F (0°C to +38°C)
    Color: Bone white
    Dimensions (diameter x D): 5.9 in. x 1 in. (15.1 cm x 2.5 cm)
    Alarm: Two Form C relays with contacts rated for 2 A at 30 VDC, 1 A at 125 VAC for resistive loads


  • Certificates (3)
    Title Type Language
    UL PDF
  • Documents (2)
    Title Type Language
    Data Sheet PDF
    Installation Manual PDF