The HELI SKRW EC 315/50/25 SILENT duct fan from Helios is a highly developed radial EC duct fan specifically designed for direct installation in rectangular duct systems. With a sound-dampened design, this fan provides efficient and quiet air circulation, making it ideal for applications where noise reduction is important. The housing is made of galvanized steel sheet and is equipped with sound-absorbing mineral fiber panels, allowing for a space-saving construction. The fan unit can be easily swung out for maintenance, facilitating upkeep. The powerful EC external rotor motor ensures high efficiency and allows for stepless speed control, enabling the fan to be adapted to different requirements. With its robust construction and integrated electronic temperature monitoring, this fan is both maintenance-friendly and reliable.

• Sound-dampened design for quiet operation
• Energy-saving, speed-controllable EC external rotor motor
• Maintenance-friendly, swing-out motor-impeller unit
• Integrated electronic temperature monitoring
• Aerodynamically optimized inlet through nozzle.