Specialist in Climate Control Since 1945

Switchbox W9-1 B


Switchbox with inlet temperature monitoring

Switchbox for controlling 1 air heater with 100% external air supply on the basis of minimum inlet temperature monitoring.


  • Steel plate box with cylinder lock
  • Dimensions: 300x400x150mm (hxwxd)
  • Temperature controller for monitoring the minimum inlet temperature
  • Selector 1/0/2 heating/off/ventilation
  • Indicator lamp for indicating filter malfunction
  • Illuminated reset button to indicate and reset a burner malfunction
  • Control of the 230 V open/close servo motor with limit switch
  • Potential-free contact to operate the extraction unit (24Vmax)
  • Potential-free contact, third-party supply, for the switching of the air heater by the extraction unit
  • Supplied separately: PT100 duct sensor

Order code

  • 3004370

 Can be used for:

  • G(N)ST/RE
  • G(N)CT/RE


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