Systemair DVC 500D-S EC - Centrifugal roof fan, vertical discharge

100 % speed controllable Integrated motor protection Low noise level Safe and maintenance free operation Potentiometer included for ease of commissioning Energy-saving RS-485 interfaces for networking via MODBUS RTU from size 355 The DVC-S roof fans are driven by EC- external rotor motors, so called energy saving motors with high efficiency. The input voltage for single phase units can vary between 200 and 277V, for three phase units between 380 and 480V. All motors are suitable for 50Hz and 60Hz and from size 355 up to 710 suspended on effective vibration dampers. Motor protection is integrated in the electronics of the motor, no additional external motor protection device is needed. Casing from seawater-resistant aluminum, base frame from galvanised steel. Backward curved impellers manufactured from polyamide PA for size 190-225. From size 315 up to 710 impellers manufactured from polypropylen PP.