Systemair KV DUO 250 EC

• Twin fan – Run & Standby
• Low noise level
• Suitable for External Mounting as standard
• Energy-saving
• Safe and maintenance free operation
• Integrated electronic motor protection
• Speed-controllable

The KV DUO fans are driven by EC-external rotor motors. These are energy saving motors with high efficiency. The power electronics are integrated in the motor housing. All models have one potential-free terminal for error message. All motors are suitable to be used for 50/60Hz. The input voltage for single phase units can vary between 200 and 277V, for three phase units between 380 and 480V. Speed control by a 0-10V signal.

The fans are easy to connect to spiral ducts using FK mounting clamps.

The KV DUO models are manufactured from magnesium/zinc-treated steel sheet with acoustic insulation and are suitable for external mounting on roofs. Corrosion class C5 according to SS-EN ISO 12944-2. 

All models are equipped with backward curved centrifugal impellers wired out to an IP65 terminal box.