Intelligent Heat Detector without isolator

The Axis-HT intelligent Heat Detector is a point detection device that continuously samples for temperature variation in the protected area to provide the earliest warning of a fire condition in areas where traditional smoke detection products are not suitable.

This detector is characterised by an aesthetically pleasing low profile and is specifically designed for Axis EN control panels.


  • Two thermal sensitivity levels: Rate of Rise (A1R) and Class BS
  • Utilises Axis EN protocol with high noise rejection
  • Dual single-colour LEDs providing 360° cone of visibility
  • Open style mounting base offers easy wiring and low pressure locking
  • Addressing and sensitivity settings using the Device Programming Tool

Standards & Approvals

  • EN 54-5: Point Heat Detectors


Loop Voltage(*) 18-40 Vdc
Average Standby Current 85 μA @ 24Vdc
Remote Output Max Current 20 mA
Max number of loop addresses 240
Operating Temperature Range -10°C / +55°C
Humidity (non condensing) 95% RH
Dimensions H x D 58 x 100 mm
IP Rating IP40 (IP42 with silicon base gasket)
Weight (Standard Base included) 130 g
Colour Custom white.  Closest RAL is RAL 9016

(*) Product operates down to 15 V, but without LED indication.

Order Codes and Options

Axis-HT Intelligent Heat Detector
Axis-MB Base
Axis-SAMB Slave Sounder Base
Axis-SVAMB Slave Sounder Beacon Base
Axis-SMB Intelligent Sounder Base
Axis-SVMB Intelligent Sounder Beacon Base
Axis-WP Silcon Base Gasket