Conventional detectors, Fire alarm systems
Sentek HD912-4-12 heat detector
Availability:
17 in stock
Sentek HD912-4-12 heat detector
16,40 €20,34 € Excl. VATIncl. VAT
17 in stock
Description
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Model: Sentek HD912‑4-12 (4‑wire)
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Voltage: DC 12V; mostly used in 12V security systems
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Reaction: fix 57 °C or temperature high rise >8 °C/min
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Rakendus: used mostly in 12V security systems
| Parameter | Value |
|---|---|
| Current (standby) | ~80µA |
| Alarm current | 50 mA |
| Relay | NO or NC |
| Response temperature | +57 °C |
| Alarm current | 30 mA |
| Operating temperature | –10 … +50 °C |
| Humidity | 0 to 95 % RH |
| Dimensions with base | Ø 100 mm × 46 mm |
| Weight | 120 g |
| Alarm indicator | LED Continuously Emitting Red Light |
✅ Functions and features
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4‑wire connection: Separate power and signal lines, suitable for connection with a wide range of control panels.
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Robust construction: durable SMD electronics and sensor
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Optional relay (4-wire): N/C or N/O output capability (1 A @ 30 VDC) – HD912-4 series
