MANUFACTURING FEATURES
• Specially designed for sinus wave speed control. Only available for single phase fans.
• Terminal wiring.
• Minimum speed adjustable and potentiometer speed control.
• Sealed box IP-54 box. Light switch pilot.
• EMC filter according to the En55014 Standard.
Galvanized sheet-metal backdraught shutter with aluminium fins and return springs to install in the discharge of the fans. They prevent odors, air currents, water penetration due to rain when the fans are off and prevent heating leaks when the extractor does not work.