SPT-3B
Product description 
Fire thermal detector SPT-3B (maximum-differential with indication of duty mode and with remote return to initial state) is designed to monitor the ambient temperature exceeding a set value in closed rooms of various buildings and structures.
- Maximum differential (A2R class)
- Static operating temperature range: from +54 to +70 C
- Indication of standby mode and "Fire" mode
- 2nd and 4th leading versions
- Structural compatibility of the design with smoke detectors of the SPD series
- The possibility of connecting ZPOS
- The possibility of withdrawal from the base
Specifications
Characteristic
Value
Supply voltage range:
- 2-wire:
no more than 10-30 V
- 4-wire:
no more than 10-14 V
Current consumption in standby mode
0.1 mA
Overall dimensions:
not more than 100 × 48 mm
Mass:
no more than 0.05 kg
The presence of an indication of the standby mode:
Yes
Maximum permissible current in FIRE mode:
- 2-wire:
no more than 5-20 mA
- 4-wire:
no more than 22 mA
Useful materials
| Name | Country | Comment | Open | Download |
|---|---|---|---|---|
| Manual | ukrainian | |||
| Сertificate | UA(Ukraine) | Valid from January 14, 2022 to January 13, 2025 |
Devices with which it is used
