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Product Specifications:
| Item | Duct Smoke Detector |
| Ac Contact Rating | 135 mA @ 24V, 35 mA @ 120V |
| Air Velocity | 100-4000 FPM |
| Alarm State | 135 |
| Ambient Temp. Limits | -4° to +158° |
| Compatible With Series | Hvac Systems Monitoring |
| Current Rating | 65 mA @ 24V DC |
| Dc Contact Rating | 65 mA @ 24V |
| Depth | 2 1/4" |
| Detects | Smoke |
| Display Qty | 1 |
| Finish | Unfinished |
| For Use With | All System Sensor Remote Test Accessories, Fire Alarm Panel |
| Height | 4 3/4" |
| Humidity Operating Range | 0% rh to 95% rh |
| Humidity Range | 0% rh to 95% rh |
| Includes | Exhaust Tube |
| Length | 14 1/4" |
| Mounting Location | Duct |
| Mounting Type | Duct |
| Operating Temperature - Maximum | 158°F |
| Operating Temperature - Minimum | -4°F |
| Overall Height | 4 3/4" |
| Overall Width | 2 1/4" |
| Power Source | Removable Battery |
| Product Type | Smoke Detector |
| Sensor Type | Photoelectric |
| Shape | Rectangular |
| Tube Length | 1 ft. |
| Type | Smoke Detector |
| Voltage | 120V AC/24V DC |
| Voltage Rating | 120V AC/24V AC/DC |
| Width | 2 1/4" |
Shipping Info:
| Ship weight (kg) | 1.34 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| 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 | |
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D4S | Smoke Detector | 2 1/2" | 120V AC/24V AC/DC | 5" | 100-4000 FPM | - | - | 0% rh to 95% rh | €325.51 | |
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D4P120 | Smoke Detector | 2 1/2" | 120V AC/24V AC/DC | 5" | 100-4000 FPM | - | - | 0% rh to 95% rh | €314.17 | |
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D4120W | Photoelectric, Watertight | 2 1/2" | 20/24V AC/24V DC | - | 100-4000 FPM | Duct | - | 0% rh to 95% rh | €440.68 | |
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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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D2 | - | - | - | - | - | - | - | - | €401.26 |
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SYSTEM SENSOR DUCTSD Duct Smoke Detector, Smoke Detector, Unfinished, Duct, 2 1/4 Inch Depth, Exhaust Tube
€387.10 /unit



