The unstable DC power from PV panel through SUNFINE SMB3 to transform three phase pure sine wave AC power to loads, excess power charge to battery automatically; and when solar power is lacking, battery will make up the rest or serve as complete power source. SMB3 supports Grid or AC generator backup.

Switching time between PV/Grid/Battery for Standard configuration unit is less than 5ms. The charger mode is 3 steps: CC, CV and FC automatically.

Feature:

Max. efficiency 96.8%MPPT max. efficiency 99.0%Power factor 0.9999Large screen multi-language- LCD displayLess standby power consumptionMulti-protection for maximum safetyStatistics for power production and CO28K*4 RUN LOG cycle indexRS485/232 compatiblesoft or variable frequency start optionBattery manage optionVarious panel types matchedVarious battery types matched