Sentek SD119-4HARB-12 Smoke and temperature sensor with autoreset (copy)
7 in stock
Sentek SD119-4AR-12 smoke detector with autoreset, 12V
23,65 €29,33 € Excl. VATIncl. VAT
7 in stock
Product description
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Model designation: SD119-4HARB-12 (4-wire)
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Operating voltage: 12V DC
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Detection technology: 4-wire combined smoke and temperature sensor + autoreset + siren
- Automatic reset (AR): after an alarm, the device will automatically reset without interrupting the power supply.
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Relay output: the pushbutton can be set to N/O or N/C and Form A standard (1 A @ 30 VDC or 0.5 A @ 125 VAC).
| Parameter | Value |
|---|---|
| Power supply | 12 V DC |
| Power consumption (standby) | ~100 µA |
| Alert current | ~30 mA |
| Optical sensor sensitivity | 0.08-0.2 dB/m (EN) or 0.98-4 %/ft (UL) |
| Temperature sensor | activates at ~57 °C |
| Dimensions (body + base) | Ø 100 mm × 46 mm |
| Weight | about 130 g |
| Operating temperature | -10 … +50 °C |
| Moisture resistance | 0-95 % RH (without condensation) |
✅ Functions & features
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4-wire connection
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Relay connection: selectable N/O or N/C contact, Form A type – supports different system types.
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Robust construction: robust SMD electronics and sensor
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Low profile, contemporary design: smooth lightweight plastic body, suitable for ceiling installation, design aesthetic.
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Prevent false alarms: advanced algorithms ensure reliability – reducing false alarms caused by dust or fumes, for example.
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LED indicator: visual indication in case of alarm.
- Built-in piezo siren
