Siemens HFPT-11 Intelligent Thermal Fire Detector
The Siemens HFPT-11 is a reliable, plug-in, two-wire addressable thermal fire detector designed to provide high-precision heat monitoring for commercial and industrial applications. As a core component of the Siemens FirePrint series, the HFPT-11 utilizes advanced thermistor technology and microprocessor-based circuitry to deliver rapid, early warning thermal detection while virtually eliminating costly false alarms.
| Specifications | |
| Product Make | SIEMENS |
| Model | HFPT-11 |
| Part Number | 500-033380 (Standard Base Variant) |
| Type | Intelligent Addressable Thermal / Heat Detector |
| Operating Voltage | 24V DC (nominal) |
| Alarm Temperature Threshold | 135°F (57.2°C) Fixed |
| Rate-of-Rise Parameter | 15°F (8.3°C) per minute |
| Communication Protocol | Siemens FirePrint Series |
| Material | Durable, fire-retardant ABS plastic |
| Color | Off-white / Eggshell |
| Current Draw (Alarm Mode) | 1.0 mA |
| Condition | GOOD |
| Warranty | 1 YEAR |
| Country of Origin | Germany |
| Protection Degree | IP30 |
| Diameter | 114.3 mm |
| Height | 50.8 mm |
| Weight | 226g |






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