The HY-2311 addressable heat detector is designed for professional fire systems and offers precise detection thanks to its highly sensitive heat sensor, which can quickly detect abnormal temperature changes. Two-wire, non-polarity technology simplifies wiring and makes installation faster and more efficient. Equipped with addressable alarm identification , it allows for precise location of the detection point in the event of a fire, improving emergency management. The corrosion- and acid-resistant structure ensures long-lasting reliability, while EN54-5 certification ensures compliance with European standards for fire safety in residential, commercial, and industrial environments. Dahua
HY-2341 | TEMPERATURE SENSOR

The Dahua HY-2311 addressable thermal detector offers an advanced fire detection system based on a highly sensitive thermal sensor, designed to quickly monitor abnormal temperature changes and trigger alarms accurately and reliably. Thanks to its polarity-free two-wire technology , it simplifies wiring and speeds up installation in professional fire protection systems. The intelligent addressing function allows for precise identification of the alarm point, improving emergency management. Compliant with the EN54-5 standard, it is ideal for hotels, offices, warehouses, archives and industrial facilities, ensuring resistance, stability and a long life over time.
Main specifications:
- Highly sensitive thermal detection to quickly detect abnormal temperature increases
- 2-wire, polarity-free technology for easy installation and quick wiring
- Addressable detector with precise alarm point identification
- Compatibility with addressable fire alarm control panels for professional integration
- EN54-5 compliant for safety certified to European standards
- Corrosion and acid resistant materials for greater reliability over time
- Ceiling mount ideal for residential, commercial and industrial environments
Further details
Technical data sheet
| HY-2311 | |
| Technical Specification | |
| Surveillance Area | For installation heights below 4 m, the coverage area is 150 m² For installation heights between 4 m and 12 m, the coverage area is 80 m² |
| Alarm Mode | Indicator light alarm |
| Remote Indicator | Support |
| Working Principle | Heat detection |
| Sensor Class | A2R |
| Fixed Detection Threshold | 62°C ± 3°C (144°F ± 37.4°F) |
| Dynamic Detection | 1 to 30 K min-1 |
| Operating Voltage | DC16-28V |
| Operating Current | Static current: ≤250μA Alarm current: ≤350μA |
| Operating Temperature | –10°C to +50°C (14°F to 122°F) |
| Operating Humidity | ≤ 95% RH (no condensation) |
| Dimensions (with base) | Φ100mm × 46.3mm (Φ3.94" × 1.82") |
| Weight (with base) | 102 g (0.22 lb) |
| Installation | Ceiling Mount |
| Compliance Standard | EN 54-5 |


