Ultraflex Group

Silentwind® wind turbines

Silentwind® wind turbines Wind generators Wind & solar

Silentwind® wind turbines


• Features:

- AC "brushless" 3 phase permanent magnet-turbine

- Clutch: electronic/manual stop-switch

- Very light: 6,8 kg only

- Hand laminated, UV-resistant carbon blades, successfully tested according to DIN EN 61400-2 at hurricane speed 122km

- Low noise

- Very good start-up performance due to low cogging torque at 2,2m/s wind speed

- Supplied with hybrid external charge controller with LCD display (for 12V and 24V models). PV panels can be connected.


• Applications: marine. land and professional with low, middle and high wind speed

Warranty: 3 years (charge controller: 2 years)

Certifications: DIN VDE protection class II; CE; RoHS


HYBRID CHARGE CONTROLLER (for 12V and 24V models)

The LCD multi-function dispaly shows all main operating values (W, A, V, Ah, kWh). Automatic selection of battery voltage (12V or 24V). Can be connected to PV panels up to 180 Wp.



 SLW-420-12  SLW-450-24 SLW-500-48
 Voltage 12 VDC 24 VDC 48 VDC
 Power 420 W 450 W 500 W
 Nominal wind speed
14,5 m/s
 Start-up wind speed
2,2 m/s
 Start-up charging
2,8 m/s
 Rotor diameter
1,15 m
 Rotation speed, range of charging 550-1700 rpm
 Dry weight
6,8 kg


Part No. Model Description Dimensions
20381E SLW-420-12 Wind generator with 12V charge regulator 780 x 400 x 210 mm imballo
20382G SLW-450-24 Wind generator with 24V charge regulator 780 x 400 x 210 mm imballo
20383J SLW-500-48 48V Wind generator 780 x 400 x 210 mm imballo

Hybrid charge regulator

Rated battery voltage 12 o 24 VDC
Max wind gen. power input 600 W / 40A
Max solar mod. power input 550 Wp / 40 A / 50 VOC
Display data W, A, V/Ah, kWh, Ah
Dimensions 270 x 130 x 80 mm
Dry weight 1,5 kg

Part No. Model Description Dimensions
20384L Hybrid charge regulator 12V
20385N Hybrid charge regulator 24V
20386R Hybrid charge regulator 48V

Accessories and spare parts


Part No. Model Description Dimensions
68485M AirBreeze™ and AirX™ 3 blade set
68689E Reinforced pole for greater resistance to high winds
68690N Pole mounting kit