Optimum Solar 300 watt grid-tied micro photovoltaic inverter model OSI-300 is designed for superior installation, functionality and field maintenance. The unit’s maximum efficiency is 95.0%, MPPT accuracy of 94% and has IP65 IP protection. The unit’s maximum input DC voltage is 50 volts and maximum input current is 10 amps. Output is rated at 285 watts at 1.22 amps AC. The unit can service up to 10 parallel units per string. Working frequencies are 49 HZ – 51 HZ and 59.3 Hz – 60.5 Hz. Optimum Solar is proud to offer a 20 year warranty on each inverter unit we sell.

Micro Solar Inverter OSI-300

Optimum Solar Micro Solar Inverter OSI-300

300W Grid tied Micro PV inverter 
Max. Efficiency: 95.0%
MPPT Accuracy: 94%
IP Protection: IP65

Model number	OSI-300
Type	DC-AC
Max. DC Input Power	80
Max. DC Input Voltage	0.5
MPPTvantage	28
Max Input Current	10A
Output(AC)
Rate AC Power	285W
Rate AC Current	1.22 A
Working Voltage Vantage	184 V ~ 276 V
Working Frequency	49 Hz ~ 51 Hz    59.3Hz ~60.5 Hz
Power Factor	>0.99
Current THD	THD<3%
Max. Parallel Units per String Efficiency	10
Max. Inverter Efficiency	95.0%
Night Time Power Consumption	100mW
Mechanical Data
Ingress Protection	IP65
Operating Temperature	-25°C ~ +65°C
Length / Width / Height (mm)	245X213X73 (mm)
Weight	3.4kg
Features
Communication	PLCC
Compliance	CQC/TUV/DK5940/G83/SEMKO/ETL/AS4777
Warranty	20 years