With non-return valve. Telescoped 345 - 425 mm (it can be shortened)
For the direct connection to rectangular tube, 220 x 90 mm. This text is machine translated.
For ventilators, pumps and lights. Delay time adjustable between 1 and 9 min.
The speed controller has 6 levels. The rotary button in position 0 causes allows the cover caps to remain open as long as the engine rests. Suitable order no. 56 05 88 and 56 05 89.
When the fan is switched off, the vanes close and prevent outside air from entering.
When the fan is switched off, the vanes close and prevent outside air from entering.
Supported by ball bearings; Long life (30,000 h); ; This text is machine translated.
Supported by ball bearings; Long life (30,000 h); Incl. timer; Adjustable delay time (1 - 25 min); ; This text is machine translated.
Supported by ball bearings; Long life (30,000 h); ; This text is machine translated.
Supported by ball bearings; Long life (30,000 h); Incl. timer; Adjustable delay time (1 - 25 min); ; This text is machine translated.