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SCH-20A-EL SCH-30A-EL
  • SCH-20A-EL SCH-30A-EL
  • SCH-20A-EL SCH-30A-EL
  • SCH-20A-EL SCH-30A-EL

MPPT Solar Charge Controller

SCH-20A-EL SCH-30A-EL 12/24V Voc 18-100V Heatsink Cooling

SMK MPPT Solar charge controller is an advanced maximum power point tracking(MPPT) battery charger for off grid photovoltaic system up to 50KW. Models ranging from 20A-100A(12V/24V/36/48V) , over 15 models available,including the economic fan cooling design version and high performance heatsink cooling version.Solar charge controller is mainly used for solar power station, home solar power system,solar street light control system,mobile solar power system

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Features Specifcations Download


Feature:

12V/24V/46V/48V Auto work,parallel design

Multi-stage charging optimizes battery performance

MPPT eficiency >99.5%, Peak conversion efficiency 97.5%

Compatible with Gel. AGM.Flooded. Sealed lead acid and Lithium battery

Comprehensive protection

Dual fan cooling design

Comfortable installation and commissioning

Monitoring your solar harvest on line via RS485 communition, Ethernet/RS232 communication Optional






1. Solar Positive Terminal
Power connection for Solar(+)
Solar Negative Terminal
Power connection for solar(-)
2. Battery Positive Terminal
Power connection for battery(+)
Battery Negative Terminal
Power connection for battery(-)
3. DC Load output
4. Battery temperature Sensor
Terminal for battery temperature detect and provide compensation




1.Circuit breaker
2. AC input
3. PV input
4. Power ON/OFF switch
5. AC output
6. Communication
7. Dry contact
8. Battery input

Model

SCH-20A-EL

SMK-SCH-30A-EL

Solar System Voltage

12V/24V Auto work

Electrical

PV Operating Voltage

18100Vdc@12V  35100Vdc@24V

Max. PV input power

12V 300W

12V  400W

24V 600W

24V 800W

Rated input current

20A

30A

Rated DC load current

30A

Self consumption

2W

Max.Conversion Efficiency

97.5%

Protection

PV array short circuit, over charging,battery reverse polarity,output short circuit

Battery charging

Battery Type

Sealed  Gel AGM  Flooded  Lithium Battery

Charge algorithm

3 stage: Bulk, Absorption, Floatcharging

Bulk charge voltage

Sealed: 14.4V AGM 14.2V  Gel:14.2V Flooded:14.6V User defined:10-15V

Float charge voltage

Sealed/Gel/AGM:13.8V  Flooded:13.7V User defined:10-15V

Equalize charge voltage

Sealed 14.6V  AGM:14.8V Flooded:14.9V

Load disconnect voltage

10.5V 12V Adjustable

Low voltage reconnect voltage

12.5V

Temperature compensation

5mV//2V with BTS

Physical

Net weight

1.4kg

1.6kg

Gross weight

1.8kg

1.9kg

Dimension

150*160*80MM

170*160*180MM

Cooling

Heatsink cooling

Enclosure

IP21

Environment

Ambient operating temperature

-25℃~60

Storage Temperature

-40℃~80

Humidity

100% non-condensing

Warranty

Two years


※Technical data for 12V system at 25℃, twice in 24V system rate

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