Conv. sensors, Fire extinguishers
Sentek HD912-4-12 temperature sensor
Availability:
12 in stock
Sentek HD912-24-12 temperature sensor, 12V
16,40 €20,34 € Excl. VATIncl. VAT
12 in stock
Product description
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Model name: Sentek HD912-4-12 (4-wire)
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Operating voltage: DC 12V; mostly used in 12V control systems
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Reaction level: fixed 57 °C or rapid temperature rise >8 °C/min.
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Application: suitable for classic fire alarm systems
| Parameter | Value |
|---|---|
| Power consumption (standby) | ~80µA |
| Alert current | up to 50 mA (for 24 V) |
| Relay contact | NO or NC |
| Response temperature | +57 °C |
| Power demand in case of disturbance | up to 30 mA |
| Temperature operating range | -10 … +50 °C |
| Moisture | up to 95 % RH |
| Dimensions with base | Ø 100 mm × height 46 mm |
| Weight | 120 g |
| LED indicator | steady red light in case of alarm |
✅ Functions & features
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4-wire connection: separate power and signal lines, suitable for connection to a wider range of control centres.
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Robust ABS housing: low profile, widely suitable for ceiling installation
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Optional relay (4-wire): N/C or N/O output (1 A@30 VDC) – HD912-4 series
