PWM Solar Charge Controller

Pulse width modulation (PWM) controller

PWM (Pulse-Width Modulation) solar charge controller is specifically designed for off-grid photovoltaic power generation systems. The controller can effectively control the circuit and manage the connection and disconnection of solar panels to maximize resource utilization.

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Applications

PWM solar charge controller is mainly used in off-grid photovoltaic power generation systems, various solar power supply systems, DC communication base stations, small-scale solar power station systems, etc.

Features

Advanced PID algorithm allows for a more precise battery energy management system.
Three-stage charging mode maximizes the utilization of PV modules and batteries.
Full IGBT modular design ensures the stability and reliability of the controller and system performance.
Standard Modbus communication protocol based on the RS-485 communication bus (optional).

Specifications

Battery system voltage	48V	96V	192V	240V	360V	480V	540V	600V
PV max. input open circuit voltage	100V	200V	350V	450V	700V	950V	1000V	1000V
Rated charge current	30A 50A 60A 80A 100A 120A 150A
Number of PV input string	1 string
Equalize charging voltage	57.6V	115.2V	230.4V	288V	432V	576V	648V	720V
Equalize charging recovery voltage	52.8V	105.6V	211.2V	264V	396V	528V	594V	660V
Equalization charge timing	120 min
Float charge voltage	55.2V	110.4V	220.8V	276V	414V	552V	621V	690V
Overvoltage disconnect	64V	128V	256V	320V	480V	640V	720V	800V
Overvoltage reconnect	60V	120V	240V	300V	450V	600V	675V	750V
No-load loss	< 0.5W
Environment temperature	-25℃ ~ 55℃
Terminal type	TC series barrier terminal
Elevation	≤3000M, it should reduce power if the elevation high than 3000M
Humidity	0 ~ 98%, Non-condensing
Degree of protection	IP32
Display	LCD screen + touch buttons
Display language	English
Indicator light	Error indicator/Charging indicator
Noise	< 30dBA
Cooling method	Forced air cooling by temperature control fan
Dimension	420×345×157mm
Net weight	11KG
Optional function	DC output, RS485, GPRS
Applicable battery type	Lead-acid, Gel, lithium battery, etc.
Communication method	Standard MODBUS RTU protocol, RS485 interface