Centrifugal duct inlet-and-exhaust plastic fan BB D250


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More info

  • Centrifugal exhaust fans in plastic case.
  • Designed for supply and exhaust ventilation systems.
  • The case is made of high-quality durable plastic.
  • Fans are equipped with waterproof terminal box.
  • The impeller with back curved blades is powered by a single phase asynchronous AC motor with external rotor including the following features: -A dynamically balanced impeller with back curved blades balanced in two planes.
  • Overheating protection with automatic restart.
  • Maintenance-free ball bearings used with motors and designed for at least 40 000 hours operation
  • Fans are intended for duct mounting in air vent of suitable diameter and at any angle. Mounting to the wall or the ceiling is carried out with brackets.
  • Speed regulation is available. Smooth or step speed control with a thyristor or autotransformer speed controller. Several fans may be connected to one-speed controller provided that the total power and operating current do not exceed the rated speed controller parameters.

Details about products in catalog: here.