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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)
180V(at 25℃ environment temperature)

MPP voltage range

VBAT+2V108V

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