Thermal Switch TDS 247 MC

Thermal differential switch with max part for detecting open flames with and without smoke.
It is used when operational conditions are expected to include disturbances such as dust, smoke, or steam.
In fixed installations, it must not be used for closures in escape and rescue routes.


Its special features are:

  • optical status display
  • measurement part monitoring
  • communication connection for RSBus
  • potential-free opener

Design:according to EN 54, Part 5
Fire detection:according to temperature, Class A1
  Max part:54°C to 65°C
Operating voltage:18 to 28 V DC
Current consumption at 28 V DC:
  Idle:22 mA
  Alarm:11 mA
  Fault:16 mA
Relay contact:Opener
  Switching voltage:30 V DC
  Switching current:1 A
  Switching power:30 W
Protection class:IP 42
Operating ambient temperature:-20°C to +80°C
Color:Multicolor in color system similar to RAL-Classic available in silk matte and glossy

Technical data
Protection class IP42

Thermodifferential switch TDS 247 MC

  • Brand: Hekatron 
    [Info]

    Hekatron Technik GmbH
    Brühlmatten 3a - 9
    79295 Sulzburg
    T: +49 7634 500-0
    hekatron.de
    manufacturing@hekatron.de

  • Product Code: 31-5100001-91-01
  • Availability: In Stock