AV-Lite Class A1R and B Heat Detector

Axis EN analogue detectors are designed around a fully digital protocol.

The analogue addressable photoelectric heat detector incorporates a single, centrally positioned thermistor, which supervises ambient temperature with low thermal inertia, allowing the product to achieve A1R and B classification.

Soft and safe addressing allowing accurate configuration of the system installation.

The unit provides a fast and secure response.

A unique range of Decorline finishes is available.


  • High reliability and error detection
  • Large capacity, up to 240 devices per loop
  • Manual addressing capability by using a handheld programmer (20-VPU100-ADV)
  • Digital checking of double address
  • Line quality information
  • Day / night operation
  • 360° visible red LED
  • Programmable remote LED output


Power Supply(*) 18 V - 40 V
Quiescent Current Consumption 55 μA
Current Consumption during Normal Communication 90 μA
Remote Output Max Current Consumption 18 mA
LED Current Consumption ILED = 6 mA @ 24 VDC
Operating Temperature Range -30°C - 70°C
Humidity (non condensing) 5% RH - 95% RH
Dimensions D x H 110 x 54 mm
Weight 130 g
IP Rating 42 with 20-WP100-ADV silicon protection, 40 without
(*) Product operates down to 15 V, but without LED indication.  


Order Codes and Options

20-LV350-ADV AV Lite Class A1R and B Heat Detector