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Micro Inverters

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


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