Systemair Prio 355 - Axial circular duct fan

• Circular duct fan • Compact design • High efficiency and low SFP in a real working point • Low sound level • Air tight design • Speed-controllable • Simple to install, mounting brackets included • Integrated motor protection The prio fans is designed for installation in ducts. The casing is manufactured from sheet metal. The fans can be speed-controlled via a stepless thyristor or a 5-step transformer. To protect the motor from overheating, the fans have integral thermal contact with leads for connection to a motor protection device. Outdoor mounting and wet room applications are possible due to the fans air tight casing and the IP 55 rated terminal box. The FK mounting clamp (accessory) facilitates easy installation and removal, and prevents the transfer of vibration to the duct.