Supports battery free operation mode
Support multiple programmable operation modes: grid connection,
Off grid and grid connected anti backflow
Capable to save money by sensing load consumption
using the external CT sensorand balance it continuously
Support programmable power supply priority for photovoltaics, power grids, or batteries
User-adjustable charging/discharging current or acquire
from BMS by RS-485, suits for different types of leadacid or lithium batteries
Complete protection functions: photovoltaic insulation resistance detection,
Residual current monitoring, anti islanding protection, etc.
| MODEL |
SunMax 3K48 -V |
SunMax 5K48 -V |
| PV Array |
| Max.PV Array Power |
4000W |
6000W |
| Max.PV Array Open-Circuit Voltage |
500VDC |
| Start-up Voltage |
100VDC |
| MPPT Operating Voltage Range |
120-450VDC |
| Nominal Input Voltage |
360VDC |
| Max. Input Current MPPT |
20A |
30A |
| Max. Short Circuit Current MPPT |
22A |
33A |
| Number of MPPT |
1 |
1 |
| Battery |
| Battery Type |
lead-acid /Li-ion |
| Battery Voltage |
48V |
| Battery Voltage Range |
41-58V |
| Max. AC Charging Current |
30A |
50A |
| Max. PV Charging Current |
60A |
100A |
| Max. Continuous Charging Current |
60A |
100A |
| Max. Continuous Discharging Current |
60A |
100A |
| On-grid Operation |
| Rated Outout power |
3300W |
5500W |
| Max. AC Current Output to Utility Grid |
15.2A |
23.9A |
| Nominal Output Voltage |
220/230/240Vac |
| Nominal AC Grid Frequency |
50/60Hz |
| Power Factor |
~1(Adjustable from 0.8 leading to 0.8 lagging) |
| Max. Total Harmonic Distortion |
< 3% |
| Off-grid Operation |
| Nominal Apparent Power |
3500VA |
5500VA |
| Max. Output Apparent Power |
4200VA |
6600VA |
| Max. Output Voltage |
230/240Vac |
| Max. Output Current |
15.2A |
23.9A |
| Nominal Output Fregency |
50/60Hz |
| Transfer Time |
< 10ms |
| Efficiency |
| Max. PV to AC Efficiency |
97.1% |
97.1% |
| Max. Battery to AC Efficiency |
93.0% |
93.0% |
| Protection |
| PV Insulation Resistance Detection |
Yes |
| Residual Current Monitoring |
Yes |
| Anti-islanding Protection |
Yes |
| AC Overcurrent/Overvoltage Protection |
Yes |
| Surge Protection |
Ⅱ |
| Zero-export Control |
Yes |
| Operation without Battery |
Yes |
| General Data |
| Operating Temperature Range |
-10--50℃ |
| Relative Humidity |
0∽95% |
| Max. Operating Altitude |
<4000m |
| Cooling Method |
Intelligent Fan cooling |
| Display |
LED + LCD |
| Communication with BMS |
RS485 |
| Communication with Cloud |
WiFi/4G |
| Degree of Protection |
IP65 |
| Weight(kg) |
9 |
10 |
| Dimension(W*H*Dmm) |
120*295*480mm |
| Mounting Method |
Wall Mounted |
