Detailed Product Description 1.five state patents. 2.multi language display. 3.multi protections. 4.five years warranty. 5.high efficiency with MPPT Based on HF chain and parallel operation technology with DSP, several inverter can be parallel operated and run, simplified the design of the power station. Adopted the IPM module of 5th generation of Mitsubishi, increasing the system efficiency greatly. Self-optimizing of MPPT, increasing the efficiency of power produce of PV Adopted the technology of initiative frequency offset to detect the island, make the grid protecting safe and reliable Large screen of multiple language of LCD display. Power production and CO2 emission reduction calculation for 5 Flexible output setup, suitable to various countries' local regulationSpecialized remote setting and detecting software, make the computer adjusting more intelligently Delicate machinery design and light component configuration Multi-protection design, make it more safe and reliable Electrophoresis painting and machinery design of high protection grade, suitable for install indoor and outdoor Wider range of operating temperature of -25~+50¡ãC Plug-in connection for all DC and AC water proof connector and communication cable, easy to field wiring Place of origin:Zhejiang, China (Mainland) Brand Name SUNFINE Model Number SMB-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¡À20%£¬adjusted to local regulation Rated grid frequency: 50Hz¡À0.5, adjusted to local regulation power factor:¡Ý0.99 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