Dear Sir or Madam,Glad to know that you are foucus on solar energy field. SENDA SDD630 series Solar pump drive developed base on vector control drive with MPPT function from ABB Danfoss…INVT, and flow and generated energy calculating.Good price as same AC drive, and with 18 months warranty. Hardware design With two CPU design, good heat dissipation and latest Infineon iGBT.Software design.1. MPPT and CVT.2.Dry run, stop frequency, motor maximum current, input power protection.3. Flow and generated energy PV curve showing.4. For PMSM and AM motor.5. AC and DC both compatible. For frequency inverter, vector control and VF control they can meet a lot of applications. We also provide whole system solution.A waiting of reply you soon.Samples testing and factory visiting is welcome. ----------------------------------Best Regards GaryYuSales ManagerSHENZHEN SUNGREAT DRIVE TECHNOLOGY CO., LIMITEDwww.sungreatinverter.comEmail: info@sungreatinverter.comADDRESS: No.2 Floor,Building C,Wanda Industry Area,Langxin community,Shiyan Sub-district,Bao'an disctrict, Shenzhen China.Tel/Fax: +86-755-84186866,Cell/Whatsapp/Skype/Wechat: +86-18926409646