... ~650Hz 2.220/380/690V,50/60Hz 3.small size,energy-save 4.20-year audited maunfacturer 5.ISO9001,CE,SGS ... power supply condition and bad weather, anti-corrosive, anti-rust.C. PI controller, simple PLC, flexible I/O terminals, prompt data ... & Production & Testing & Stock Certification Fall view Product line CE Approved Energy-saving Small Size inverter 2.2kW F5-02R2A-T4