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D+H FD-T 271 Thermal Differential Detector
The D+H FD-T 271 is a thermal differential detector designed for reliable temperature monitoring in smoke and heat extraction systems (RWA). It operates on the thermal differential principle and detects both rapid temperature rises and when defined temperature thresholds are reached. This makes it particularly suitable for areas where optical smoke detectors cannot be used optimally due to dust, steam or other environmental conditions.
The detector features automatic self-monitoring, which continuously checks its function and operating status. An integrated red LED reliably indicates the alarm status. Installation is quick and straightforward using the detector base supplied.
The FD-T 271 meets the requirements of EN 54-5 A1R and has VdS approval. This makes it ideal for use in D+H smoke and heat extraction systems.
Features
Thermal differential detector based on the thermal differential principle
Automatic self-monitoring of function and operating status
Alarm indication via red LED
Simple installation thanks to removable detector base
Monitoring area up to 30 m²
Monitoring height up to 7.5 m
Certified to EN 54-5 A1R
VdS-approved (G 213069)
Technical data
Rated voltage: 24 V DC
Detection area: max. 30 m²
Detection height: max. 7.5 m
Alarm indication: Red LED
Air velocity: 0 to 25.4 m/s
Temperature range: -20 °C to +50 °C
Humidity: ? 95 %
Protection class: IP40
Terminal blocks: 0.6 mm Ø to 2 mm²
Housing: ABS
Colour: White (similar to RAL 9010)
Specification: EN 54-5 A1R
VdS approval: G 213069
Scope of supply
D+H FD-T 271 thermal differential detector
Detector base
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D+H Deutschland GmbH
Georg-Sasse-Straße 28–32
22949 Ammersbek
Germany
kundencenter@dh-partner.com