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5. Technical Specifications
Electrical Parameters
*Please operate controller at permitted ambient temperature. If over
permissible range, please derate capacity in service.
Nominal system
voltage
12/24VDC Automatic Switching
Rated Charge Current
20A
Rated Discharge Current
20A
Battery Input Voltage Range
8V to 32V
Max Solar open Circuit
Voltage
100V Max (at -25ºC)
92V (at 25 ºC)
MPPT Voltage Range
12V Battery: 14V to 72V
24V Battery: 26V to 72V
Max Solar Input Power
260W/12V
520W/24V
Controller current
consumption
≤20mA(12V)
≤16mA(24V)
Temperature Compensation
Coefficient
-3mV/ºC/2V(Default)
Communication
RS485 (RJ45 interface)
Grounding
Common positive
Overall Dimensions
220mm x154mm x 52mm
Mounting dimensions
170mmx145mm
Mounting hole size
5mm
Power Terminals
6AWG(16mm2) Max wire size
Weight
1.1kg
Summary of Contents for MP3741
Page 1: ...Page 1 MP3741 MPPT Solar Charge Controller User Manual ...
Page 26: ...Page 26 Appendix 2 Dimensions Dimensions in millimetres ...
Page 28: ...Page 28 2 Click Permissions 3 Find EPEVER WiFi and click it ...
Page 30: ...Page 30 Step 1 Select WIFI or BLE ...
Page 31: ...Page 31 Step 2 Click Read you should receive a prompt Success ...
Page 32: ...Page 32 Step 3 Click Battery Settings ...
Page 33: ...Page 33 Step 4 Click Read if all goes well you will receive a prompt success ...
Page 34: ...Page 34 Step 5 Modify below parameters according to your Lithium battery specification ...
Page 37: ...Page 37 Step 7 Click Send you should get a prompt Success ...
Page 38: ...Page 38 Step 8 Read again check parameters are correct ...
Page 42: ...Page 42 Step 2 Click Read wait for success prompt ...
Page 45: ...Page 45 Step 4 Click Updated wait for success prompt ...
Page 46: ...Page 46 Step 5 Click Read again re check parameters are correct then click to close ...
