Model

SMI-300

SMI-350

SMI-400

Input   Data (DC)

Commonly   used module power (W)

240-405+

280-470+

320-540+

Peak   power MPPT voltage range (V)

22-60

Start-up   voltage (V)

22

Operating   voltage range (V)

18-60

Maximum   input voltage (V)

60

Maximum   input current (A)

11.5

13.0

14.0

Maximum   input short circuit current (A)

15

Number   of MPPTs 

1

Number   of inputs per MPPT 

1

Output   Data (AC)

Rated   output power (VA)

300

350

400

Rated   output current (A)

1.36

1.52

1.7

Nominal   output voltage (V)

220

Nominal   output voltage range (V)

180-280

Nominal   frequency/range (Hz)

48-51Hz/58-61Hz

Power   factor (adjustable)

>95%

Total   harmonic distortion

<5%

Maximum   units per branch

15

13

11

Efficiency

CEC   peak efficiency 

94%

CEC   weighted efficiency  

93.50%

Nominal   MPPT efficiency

99.50%

Nighttime   power consumption (mW)

 <0.5W

Mechanical   Data

Ambient   temperature range (°C)

-40~65

Dimensions   (W × H × D mm)

210*180*46

Weight   (kg)

3.1

Enclosure   rating

Outdoor-IP67

Cooling

Natural convection

Features

Communication

WIFI

Monitoring

SUNORD   IOT Monitoring Platform

Compliance

NB/T   32004-2018