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MWSI Series

This product can be applied to household off-grid system and power supply for the coastal islands.



 ► Wind&solar hybrid, controller and inverter integrated system

 ► Industrial frequency isolation. Safe and reasonable

 ► Complete protection functions

 ► RS232/RS485/RJ45/GPRS Monitoring modes optional

 ► Comply with the CE certification

Technical Parameters
Model WWSI1025-48 WWSI1540-48
Wind Turbine Input
Rated input power 1000W 1500W
Input voltage range 0~64V 0~64V
Rated input current 21A 32A
Brake by hand Keep press the scan button for 5s to unload completely, and then recover by hand.
Brake by over current 21A 32A
Brake by overvoltage Refer to "output overvoltage" control
PV Input
Rated input power 1000W 1500W
Max. Open circuit voltage 96V
Rated input current 21A 32A
Charge Parameters
Rated battery voltage 48V
Start unload voltage 56V(factory default, 44~64 settable)
Complete unload voltage 60V  (factory default, add 4V from start unload voltage)
AC Output
DC input voltage range 43.2V~68V
Undervoltage recovery point Refer to "rated battery voltage" 
Rated output power 2.5kW 4kW
Rated output voltage 110/120/220/230/240V
Rated phase number Single Phase
Rated output frequency 50/60±0.5Hz
THDi <5%
Max. conversion efficiency ≥85%
Overload protection 120% rated DC output -1min,150% rated DC output -10s
General Parameters
Display mode LCD
Display information Battery voltage, Load voltage, Load current,Load power, wind turbine voltage, 
wind turbine current, wind turbine power, PV voltage, PV current, PV power,
 and status for battery overvoltage/undervoltage, overload, load short circuit.  
Monitoring mode  (optional) RS232/RS485/RJ45/GPRS
Monitoring Contents Battey voltage, load voltage, load current, load power, wind turbine voltage, 
wind turbine current, wind turbine power, PV voltage, PV current, PV power,
and status for battery overvoltage/undervoltage, overload, load short circuit, and overheat.
Isolation mode Industrial frequency isolation
Static loss ≤0.7A ≤0.8A
Protection function Lightning protection; Wind turbine: manual brake, automatic brake; 
PV:PV reversed connection protection, reversed charging protection; 
Battery: battery reversed connection protection, overvoltage protection;
 Load:overload protection, short circuit protection, overheating protection; and so on. 
Ambient temperature -20℃~+40
Humidity 0~90%, No condensing
Noise ≤65db
Cooling mode Forced air cooling
Cover protection class IP20
Product dimension (W*H*D) 600×600×200 mm
Product net weight 38.5Kg 48.5Kg
Dump load dimension (W*H*D) 360×80×120mm 300×400×210mm
Dump load net weight 2.8kg 10kg
Note: Part of parameters can be adjusted according to customer’s specific demand. 

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Technical support: 0551-65278286
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Mailbox:; Tel: 0551-65278258, 18656136912, 18656950362
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Email:; Tel: 0551-65278267, 65278259