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Product Specifications:
| Item | Photoelectric Sensor |
| Air Velocity | 100-4000 FPM |
| Air Velocity | 100 to 4000 FPM |
| Ambient Temp. Range | -4°F to +158°F |
| Depth | 2 1/2" |
| Display Qty | 1 |
| Height | 5" |
| Humidity Range | 0% rh to 95% rh |
| Humidity Range | 0 to 95 % RH |
| Includes | Duct Smoke Detector Sensor |
| Number Required | 1 |
| Overall Height | 5" |
| Type | Smoke Detector |
| Voltage Rating | 120V AC/24V AC/DC |
Shipping Info:
| Ship weight (kg) | 0.77 |
| Ship height (cm) | 10.16 |
| Ship length (cm) | 38.86 |
| Ship width (cm) | 13.46 |
| HS code | 8541408000 |
| Country of Origin | MX |
Product Variants
| Product | Model | Type | Depth | Voltage Rating | Height | Air Velocity | Mounting Type | Ambient Temp. Limits | Humidity Range | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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D4120 | Universal | 2 1/2" | 120V AC/24V AC/DC | 5" | 100-4000 FPM | - | - | 0% rh to 95% rh | €302.73 | |
![]() |
D4P120 | Smoke Detector | 2 1/2" | 120V AC/24V AC/DC | 5" | 100-4000 FPM | - | - | 0% rh to 95% rh | €314.17 | |
![]() |
D4120W | Photoelectric, Watertight | 2 1/2" | 20/24V AC/24V DC | - | 100-4000 FPM | Duct | - | 0% rh to 95% rh | €440.68 | |
![]() |
2D51 | Sensor Head | 4 1/8" | 24/120V | 2" | 4000 FPM | Ceiling | 4° to +158° | 0% rh to 95% rh | €141.41 | |
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DUCTSD | Smoke Detector | 2 1/4" | 120V AC/24V AC/DC | 4 3/4" | 100-4000 FPM | Duct | -4° to +158° | 0% rh to 95% rh | €387.10 | |
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D2 | - | - | - | - | - | - | - | - | €401.26 |
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SYSTEM SENSOR D4S Photoelectric Sensor
€325.51 /unit



