Optex Infrared

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With 72 zones of perfectly engineered detection, FX-40 combines Multi-Focus Optics, Spherical Lens Design, and look down zones to create a 40'x40' wide angle detection pattern
Brand: Optex
Part Number: FX-40

Availability: Out of stock




Our Multi-Focus Optics, Spherical Lens Design and superior optical technology provide precise detection capability and durability for unbeatable performance. Optex unique sensors satisfy your everyday needs simplified installation combined with small innovations like easy wire knockouts and invaluable wiring guide convenience.


FX-40: standard model featuring Multi-Focus Optics
FX-40D: superior model with additional Double Conductive Shielding


  • Passive Infrared Technology - Multi-Focus Lens
  • Easy Wiring Knockout & Wide Wiring Space
  • Sealed OpticsECO Technology
  • Hard & Durable Spherical Lens
  • Selectable Pulse Count : 2 or 4
  • LED On/Off Switch
  • Tamper Switch
  • Improved EM

Additional Info

Additional Info

Part Number FX-40
What's in the box (1) Optex Infrared
Variant N/A


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  FX-40 FX-40D
Detection Method PIR PIR
Coverage 40 x 40ft. 85° wide
(12 x 12m)
40 x 40ft. 85° wide
(12 x 12m)
Optional Lens / Detection range FL-60N
60 x 6ft. (18 x 1.8m)
60 x 6ft. (18 x 1.8m)
Detection Zones Wide: 72 Wide: 72
Detection Zones 2 Long: 20 Long: 20
Mounting Height 5 - 8ft. (1.5 - 2.4m) 5 - 8ft. (1.5 - 2.4m)
Mounting Height 2 Yes Yes
Wall Mount Bracket FA-3 FA-3
Ceiling Mount Bracket FA-3 FA-3
Multi-focus Optics Yes Yes
Double Conductive Shielding No Yes
Temperature Compensation Circuit Yes Yes
Pulse Count 2 / 4 2 / 4
Power Input 9.5 - 16V DC 9.5 - 16V DC
Current Consumption 17mA max. 17mA max.
Alarm Output N.C.
28V DC 0.2A max.
28V DC 0.2A max.
Tamper Output Yes Yes
Operating Temperature -4 - +122 °F
(-20 - +50 °C)
-4 - +122 °F
(-20 - +50 °C)
For residential Yes Yes
For light commercial Yes Yes
For commercial Yes Yes
For industrial Yes Yes