Network off gri Customized support OE Place of Origin Guangdong, Chin Brand Name powtra Model Number PI500-S 022G Type DC/AC Inverter Output Type TRIPL Output Current 2.5~304 Output Frequency 0--400h Size as per produc Weight as per produc Certificate CE TUV ISO900 Solar voltage MPPT tracker functio protocol Modbus, Canbus, Profibu protection degree IP2 Product Nam solar pump inverte grid off gri power 0.4-160k OEM accep Warranty 18 month Operating temperature -10~4 Efficiency 99%