on grid tie PV inverter

Place of origin:Zhejiang, China (Mainland) 
Brand Name SUNFINE 
Model Number SM-3K/1S 
Application Solar Working Station 
Rated Voltage 24V 
Maximum input Current:19V 
input voltage: 270V DC 
MPPT range 180-320V 
Rated AV output power:4kw
Rated grid voltage:  220V±20%，adjusted to local regulation
Rated grid frequency: 50Hz±0.5, adjusted to local regulation
power factor:≥0.99
Max efficency: 97.0%
Over load protection: yes 
Over current protection: yes 
Warranty:5 years
Graphic display: LCD 
interface: RS485/RS232 
Remote Monitor Software: available 
Certificates: CE,TUV,SAA``` 
installation: indoor/outdoor 
Minimum Order Quantity: Negotiable Trial Order
Port: Ninbo/Shanghai
Packaging Details: export safety package
Delivery Time: depend on quantity
Payment Terms: L/C,T/T
Supply Ability: 500 Piece/Pieces per Month