Box-F
Price
0.00 ₾
Description
Use
- Supply and exhaust ventilation systems installed in various premises.
- Compatible with 400x200 up to 1000x500 mm rectangular air ducts.
Design
- Atmospheric resistant galvanized steel casing and impeller.
- The fan is rated for continuous operation.
- Fitted with standard 20 mm connecting flanges for connection to rectangular air ducts.
- Access cover on the casing for inspection and maintenance operations.
- The fans with standard size from 40x20 up to 60x35 are equipped with a terminal block integrated into the casing with leaded outside sealed electrical lead-in for connection to power mains.
- The fans with standard size from 70x40 up to 100x50 are equipped with an external terminal block for connection to power mains.
Motor
- Four- or six-pole asynchronous motor with external rotor and centrifugal impeller with forward curved blades.
- Due to its turbine design the fan has excellent air dynamic charakteristics (high performance and pressure drop).
- Single-phase (E) or three-phase (D) motor modifications.
- Equipped with ball bearings for longer service life.
- Dynamically balanced turbine.
- Overheating protection by built-in thermal switches with leaded outside terminals for connection to external protecting controls.
- The thermal switch terminal leads are designed for connection to respective circuit ot the overload relay or respective terminals of the autotransformer or thyristor speed controller.
Speed control
- Smooth speed control with an external thyristor controller or step speed control with an external auto transformer (both available upon separate order).