Product Description
a
- Advanced MPPT technology, with efficiency no less than 99.5%.
- Maximum conversion efficiency of 98% and full load efficiency of 97%.
- MSRT, realizing high conversion efficiency in the situation of low charge power.
- Ultra-fast tracking speed and guaranteed tracking efficiency.
- Accurately recognizing and tracking of multiple power points.
- Reliable automatic limit function of maximum PV input power, ensuring no overload under any circumstance.
- Wide MPP operating voltage range.
- High-speed and high-powered dual-core processor architecture, improving system response speed, optimizing system performance.
- Die-cast aluminum case for heat dissipating, ensuring excellent heat dissipation characteristic.
- 12/24/36/48VDC automatically identifying system voltage or user-defined working voltage.
- Concise human-computer interactive interface, convenient multiple combination keys, dynamically displaying system operating data and working condition.
- Support 4 charging options: Sealed, Gel, Flooded and User.
- Battery temperature compensation function.
- Real-time energy statistics function.
- With RS-485, RS-232 communication bus interface and Modbus communication protocol, it is available to meet various communication requirements in different situations.
- Available for PC monitoring and external display unit connecting like MT50 and so on, realizing real-time data checking and parameters setting.
- Support software upgrade
Model |
ET6420BND |
Nominal system voltage |
12/24/36/48V auto work |
Rated battery current |
60A |
Max. PV open circuit voltage |
190V(at minimum operating environment temperature) |
MPP voltage range |
VBAT+2V~108V |
Max. PV input power |
800W (12V) |
1600W (24V) |
|
2400W (36V) |
|
3200W (48V) |
|
Self-consumption |
1.4~2.2W |
Equalize charging voltage |
Sealed: 14.6V, Flooded: 14.8V, User-defined: 9~17V |
Boost charging voltage |
Gel: 14.2V, Sealed: 14.4V, Flooded: 14.6V, User-defined: 9~17V |
Float charging voltage |
Gel /Sealed /Flooded: 13.8V, User-defined: 9~17V |
Low voltage reconnect voltage |
Gel /Sealed /Flooded: 12.6V, User-defined: 9~17V |
Low voltage disconnect voltage |
Gel /Sealed /Flooded: 11.1V, User-defined: 9~17V |
Grounding |
Common negative |
LCD temp. range |
-20℃ ~ +70℃ |
Ambient temp. range |
-25℃~+50℃ |
Storage temp. range |
-30℃~+85℃ |
Humidity range |
≤95% N.C. |
Enclosure |
IP20 |
Overall dimension |
449x208x107mm |
Terminal |
35mm2 |