Esmart 3 MPPT Solar Controller 20-60A

Esmart 3 Series:
System voltage: DC12V/24V/36V/48V automatic identification

Rated current: 20A 30A 40A 50A 60A
Maximum PV (voc) voltage: 150V

1. Efficient MPPT controller algorithm, MPPT efficiency is not less than 99.5%, the conversion efficiency of the whole machine is up to 98%;
2.12V/24V/36V/48V system automatically recognizes and is convenient for users to use in different systems;
3. Allow the solar panel open circuit voltage to be at most DC150V;
4. Charging mode: third-order charging (constant current, constant voltage, floating charge), effectively extending the life of the battery;
5. There are four discharge modes: manual switch mode, light control mode, fixed time light control mode, and dual time control mode;
6. Customers can choose to charge 3 types of commonly used batteries (sealed lead-acid batteries, drain batteries, colloidal batteries), and can be customized to charge other types of batteries;
7. The controller LCD and the host computer display various parameters, and the Cloud-Box-M1 product module can be purchased to realize remote intelligent cloud monitoring;
8. RS485 communication, and can provide communication protocols to facilitate secondary development and management of customers;
9. The products have passed CE, ROHS and FCC certification; they can cooperate with customers to pass various certifications;
10. The normal warranty period is three years, and it can provide 3~10 years extended warranty service;

Wiring Demo:

eSMART3 20A 30A 40A 50A 60A
Product Category Controller type Controller with maximum power point tracking (MPPT)
MPPT efficiency ≥99.5%
No-load static loss 0.5W~1.2W
System voltage auto recognition
Heat dissipation method Air cooled
Input characteristics PV maximum open circuit voltage (VOC) DC150V
Start charging voltage point Higher than battery voltage 3V
Input low voltage protection point Higher than the current battery voltage 2V
Input overvoltage protection point DC150V
Solar panel rated input power 12V system 260W 390W 520W 650W 780W
24V system 520W 780W 1040W 1300W 1560W
36V system 780W 1170W 1560W 1950W 2340W
48V system 1040W 1560W 2080W 2600W 3120W
Charging characteristics Applicable battery type Sealed lead acid battery, colloidal lead acid battery, open lead acid battery (can also customize parameters for other types of battery charging)
Charging current 20A 30A 40A 50A 60A
charging method Three stages: constant current (fast charge), constant voltage, floating charge
Load characteristics Load voltage Same battery voltage
Rated load current 40A 60A
Load control mode Normally open normally closed mode / dual time control mode / light control mode / light control - fixed time control mode
Display/communication Display method HD LCD segment code backlight display
communication method 8-pin RJ45 interface / RS485 / support host computer monitoring / support WIFI module expansion to achieve app cloud monitoring
Other attributes Protective function Input and output over-voltage protection, anti-reverse protection, battery off protection, etc.
Working temperature -20℃~+50℃
Storage temperature -40℃~+75℃
IP protection level IP21
Maximum wiring size 20mm2 30mm2
Net weight (kg) 2.3 2.6
Gross weight (kg) 3 3.5
Product size (mm) 240*168*66 270*180*85
Packing size (mm) 289*204*101 324*223*135