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HFPT-11 Siemens Intelligent Thermal Detector

The Intelligent Thermal Detector HFPT-11 500-033380 Siemens ─ Fire Safety combines sophisticated control-panel communication with an advanced method of detection, address programming, and supervision.

Model HFPT-11 uses a state-of-the-art thermistor that provides up to 135°F (57.2°C) rate-compensated temperature. Each Model HFPT-11 detector has microcomputer-chip technology and highly stable, solid-state electronic circuitry.

A Device Program / Test Unit (Model DPU) is used to program and verify the detector’s address. The user selects the program mode to enter the desired address. The DPU Programmer / Test Unit then automatically sets/verifies the address, as well as tests the detector.

The Intelligent Thermal Detector is compatible with the Device Program / Test Unit (Model DPU). Model DPU is a compact, portable, and menu-driven accessory that makes programming and testing detectors faster, easier and more reliable than other methods.

Model DPU eliminates the need for cumbersome, unreliable mechanical-programming methods, and reduces installation and service costs, via electronically programming addresses and functionally testing the performance of Model FPT-11 prior to detector installation.


Model HFPT-11 is a plug-in, (2) two-wire thermal detector, compatible with the following Siemens fire-alarm control panels (FACPs).

Model HFPT-11 detectors utilize a modern, accurate, and shock-resistant thermistor to sense temperature changes. This electronic-sensing method virtually eliminates thermal lag associated with mechanical temperature-sensing devices, and provides almost instantaneous temperature information to the FACP.

Model HFPT-11, in its default mode, provides up to 135°F (57.2°C) rate compensated temperature. Model HFPT-11 can be programmed from the FACP as a fixed temperature detector without rate-of-rise, at the user’s option.

Additionally, Model HFPT-11 detector’s microprocessor uses an integral Electrically Erasable Programmable Read-Only Memory (EEPROM)to store the detector’s address.


Datasheet HFPT-11 500-033380.

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Additional information

Weight 1 lbs
Dimensions 5 × 5 × 5 in
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