
Sentek SD119-4-12 12V 4-Wire Smoke Detector
Sentek SD119-4-12 12V 4-wire photoelectric smoke detector with selectable N/O or N/C relay output, low standby current, LED alarm indicator and ceiling-mount design.
15,70 € excl. VAT
Price includes VAT · worldwide delivery with DHL Express
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Sentek SD119-4-12 12V 4-Wire Smoke Detector
Product description
Model designation: SD119-4-12, 4-wire
Operating voltage: 12 V DC
Detection technology: photoelectric smoke detector
Relay output: the contact can be configured as N/O or N/C and follows Form A standard, 1 A at 30 V DC or 0.5 A at 125 V AC
Parameter / Value
Supply voltage: 12 V DC
Current consumption, standby: approximately 80 µA
Alarm current: approximately 30 mA
Start-up time: up to 30 s
Recovery time, cycle time: 1–3 s
Dimensions, housing and base: Ø 100 mm × 46 mm
Weight: approximately 130 g
Operating temperature: -10 °C to +50 °C
Humidity resistance: 0–95% RH, non-condensing
Smoke detection sensitivity: 0.98–2.40%/ft (UL) or 0.08–0.14 dB/m (EN)
Functions and features
4-wire connection
Relay connection: selectable N/O or N/C Form A contact, supporting different system types
Robust construction with durable SMD electronics and sensor
Low-profile modern design with a smooth lightweight plastic housing, suitable for ceiling installation
False alarm reduction: advanced algorithms improve reliability and reduce false alarms caused by dust or vapour
LED indicator for visual alarm display
Datasheet
Installation guide
Declaration
| Product code | K000537 |
|---|---|
| Manufacturer code | SD119-4(12V) |
| Brand | Sentek |
| Condition | New |
| Warranty | 24 months |
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| Smartpost (Itella) parcel locker | 2,55 € |
|---|---|
| Omniva parcel locker | 3,10 € |
| DPD parcel locker | 2,60 € |
| Omniva post office | 8,68 € |
| DPD courier | 6,82 € |
| I'll pick it up (from the office, by appointment) | free |
| Parcel locker or parcel shop (Montonio) | by country and weight |
| Courier (Montonio) | by country and weight |
| DHL Express courier (1–3 business days) | by country and weight |
In-stock products: dispatched within 1–2 business days after payment. The delivery time of products on order is shown in the product information. Consumers have a 14-day right of withdrawal – see Returns and Warranty.
We deliver worldwide with DHL Express (1–3 business days); the price depends on the country and parcel weight.



