D+H | Source: www.dh-partner.com                        13.07.2026

Thermal differential detector - FD-T 271
using principle of thermal differential

Performance features:
Automatic self-monitoring of function and state.
Individual display for alarm.
Easy installation using removable base.

Technical data:
Nominal voltage: 24 V DC
Monitoring area: 30 m²
Monitoring hight: 7.5 m
Air speed: 0 - 25.4 m/s
Type of protection: IP 40
Temperature range: -20 °C … +50 °C
Air humidity: ≤  95 %
Housing: ABS
Colour: White (~ RAL 9010)
Diameter : 117 mm
Connection: Terminal 0,6 mm Ø ... 2 mm²
Specification: EN 54-5 A1R
VdS approval number: G 213069
Weight: 0.11 kg
Art. No.: 70.300.21

Brand: D+H
Type: FD-T 271
Art. No.: 70.300.21

Quantity: .......... pcs     Price: ................. EUR     TP: ................. EUR

https://www.dh-partner.com/int/en/service/planning-support

Important information:

This product description does not constitute a tender. The responsibility for compliance with public procurement law requirements lies with the tendering planner or architect.

Installation and commissioning in accordance with the manufacturer's instructions.

Subject to technical changes.