Description
🛠 Description
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Model name: SD119‑4AR-12 (4‑wire)
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Operating current: 12V DC
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Detection technology: photo electric optical smoke detector
- Autoreset function – automatic sensor reload after activation, no need to disconnect power
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Relay output: the contact can be configured as N/O or N/C and complies with the Form A standard (1 A @ 30 VDC or 0.5 A @ 125 VAC).
| Parameter | Value |
|---|---|
| Supply voltage | 12 V DC |
| Power consumption (standby) | ~100 µA |
| Power consumption (alarm) | ~30 mA |
| Sensor sensitivity | 0.08–0.2 dB/m (EN) või 0.98–4 %/ft (UL) |
| Reset time (cycle time) | 1–3 s |
| Dimensions with base | Ø 100 mm × 46 mm |
| Weight | aproximatley 130 g |
| Working temperature | –10 … +50 °C |
| Humidity | 0–95 % RH no condensation |
✅ Functions & features
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4‑wire connection
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Relay output: the contact can be configured as N/O or N/C and complies with the Form A standard (1 A @ 30 VDC or 0.5 A @ 125 VAC).
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Robust construction: durable SMD electronics and sensor.
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Low-profile, modern design: smooth, lightweight plastic housing, suitable for ceiling installation, aesthetically pleasing.
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False alarm prevention: advanced algorithms ensure reliability by reducing false alarms caused, for example, by dust or vapour.
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LED indicator: visually signals an alarm/fault.
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