SER-4

3*400 V transformer fan speed controller with smoke evacuation button

The SER-4 transformer speed controllers are based on the principle of voltage control with auto-transformers. They are applicable to voltage-controllable motors (400 Vac, 50/60 Hz) to control the rotational speed of fans in kitchen hoods. By switching an emergency red push button, fans go to max speed (without any protection) for smoke extraction.

• 400 Vac - 50/60 Hz
  
• Enclosure: sheet steel (RAL 7032, polyester powder coating), IP54
  
• Switch: 5 positions with off-position
  
• Indicator light
  
• 230 Vac unregulated output
  
• Emergency red push button to switch the fan to max speed (for smoke extraction)
  
• Possibility of connecting an additional emrgency push button remotely (remote control)

datasheet mounting instructions declaration of conformity