How 30a 40a pwm circuits works? There are many ways to control voltage pwm converter but one simple and easy way is to use pwm voltage control a DC motor.
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PWM Voltage Control 10A-60A 12V-48V

PWM Circuits 10A/20A/30A/40A/50A/60A 12V/24V/48V | PWM Voltage Control | 12V/24V Auto Adaptation

  • Type : PWM
  • Place of Origin : Foshan, Guangdong, China
  • Brand : XINDUN POWER
  • MOQ : 1 pcs
  • OEM : Accepted


1 PWM charging mode, DC mode save cost;
2 LCD display PV charge, battery and dc loading data;
3 Multiple working modes to adapt different working occasion;
4 Intelligent battery management function, extend battery life;
5 12V/24V automatic recognition, users are more flexible and convenient to use;
6 RS485 communication port optional.


Rated Current 10A/20A/30A 40A/50A/60A
Rated System voltage 12/24V(auto recognition),48V
PV input voltage range 12V System: 15V-44V;24V System: 30V-44V;48V System: 60V-88V
Max PV Input Voltage
(At the lowest temperature)
12V/24V System:50V; 48V System:100V
PV Array Maximum Power 12V System:140W(10A)/280W(20A)/420W(30A)/560W(40A)/700W(50A)/840W(60A;
24V System: 280W(10A)/560W(20A)/840W(30A)/1120W(40A)/1400W(50A)/1680W(60A);
48V System: 560W(10A)/1120W(20A)/1680W(30A)/2240W(40A)/2800W(50A)/3360W(60A)
Battery type Lead acid battery, deep cycle battery, gel battery etc(Battery type base on user charge specification)
Floating voltage 13.8V/ Single battery
Charge voltage 14.2V/Single battery
Charging protection voltage 17V/Single battery
Battery overdischarge voltage 10.5V/Single battery
Charging mode PWM pulse width control
Charging method Three stages :constant current; constant voltage; floating charge
No low loss <5mA
Charging circuit voltage drop ≤0.20V
Disharge circuit voltage drop ≤0.15V
Display LCD
Thermal method Natural heat dissipation
Type of mechanical protection IP20
Operating temperature -10℃~40℃
Storage temperature -20℃~60℃
Elevation <5000m,(Less solar panel when exceed 2000m)
Humidity 5~95%(No condense)
Protect the circuit over-charge, over-discharge, short circuit , over-load and photovoltaic reverse connection protection
Machine size (L*W*Hmm) 152*97*42 182*112*64
Package size (L*W*Hmm) 160*106*48(1PC)/ 420*340*340(48PCS) 191*123*70(1PC) / 400*370*390(30PCS)
N.W (Kg) 0.34(1PC) 0.64(1PC)
G.W (Kg) 0.39(1PC) 0.72(1PC)
Note: All specifications are subject to change without prior notice


30a 40a pwm voltage control details

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how does 30a 40a pwm voltage control work?


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