- 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.