Gold Member Since 2013
Guangzhou Queenswing Solar Energy Co., Ltd.

Solar Regulator MPPT, MPPT, Solar Regulator manufacturer / supplier in China, offering MPPT Controller 50A 12/24/48V Solar Charge Regulator (QWM-JR50A), Wall Mounted Inbuilt PWM Solar Controller 1000va Integrated Hybrid Solar Power Inverter, 20A 12/24V MPPT Solar Charger Controller (QW-ML2420) and so on.

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Supplier Homepage Product MPPT Solar Charge Controller 12/24/48V MPPT controller MPPT Controller 50A 12/24/48V Solar Charge Regulator (QWM-JR50A)

MPPT Controller 50A 12/24/48V Solar Charge Regulator (QWM-JR50A)

Purchase Qty.:
1-19 20-49 50+
FOB Unit Price: US $151.67 US $147.33 US $145.85
Purchase Qty. (Pieces) FOB Unit Price
1-19 US $151.67
20-49 US $147.33
50+ US $145.85
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Port: Guangzhou, China
Production Capacity: 50000/Month
Payment Terms: T/T, Western Union, Money Gram, Cash

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Basic Info
  • Model NO.: QWM-JR50A
  • Certification: CE
  • Rated Voltage: 12V/24V/48V Auto
  • System Voltage: DC12V/24V/48V Auto Identification
  • Charging Way: Three Stages
  • Efficiency: 90%~99%
  • Security Level: IP21
  • Gross Weight: 2.5kg
  • Transport Package: 1unit/Standard Packing
  • Origin: Guangzhou, China
  • Condition: New
  • Application: Solar System Controller, Charger Controller, Lighting Controller, Solar Working Station, Voltage Controller
  • Charging Current: 50A
  • Charging Mode: MPPT
  • Display: LCD&LED
  • Temperature Protection: 95 Degree
  • Size: 310*160*70mm
  • Trademark: QUEENSWING
  • Specification: CE, Rohs, SGS
  • HS Code: 8504409940
Product Description
MPPT Controller 50A 12/24/48V Solar Charge Regulator (QWM-JR50A)

MPPT(Maximum Power Point Tracking) Solar charge controller capable of real-time detection of solar panel power voltage, and track the highest voltage and current values (VI), The maximum power output of the system in order to charge the battery.

1. Conversion efficiency up to 99%,than conventional controllers save 30% to 60% of solar panels
2. 12V / 24V / 48V automatic identification system, user-friendly system for the different;
3. 12V / 24V / 48V systems, PV input up to DC100V;
4. Charging: third-order charge (constant current, constant voltage, float) effectively prolong the battery life;
5. Controller digital display battery voltage and charging current;
6. Products through CE, certification; can be used with clients through the certification.
7. Normal warranty of two years, and can provide 3 to 10 year extended warranty services;

Product picture:

Technical Parameters:

Item No.: QW-JR50A

Charging Mode: MPPT (Maximum Power Point Tracking)

Charging Way: Three Stages:Constant current(MPPT),Constant Voltage,Floating charge 

System Type: DC12V/24V/48V automatic identification

System identification of voltage:
12V system: DC18V~DC30V
24V system: DC18V~DC30V
48V system: DC36V~DC60V

Startup time: 10S

Dynamic Response Recovery Time: 500us

Efficiency: 90%-99%

Input characteristics: 

MPPT working voltage and range:
12V system: DC18V~DC100V
24V system: DC34V~DC100V
48V system: DC65V~DC100V

Input voltage protection point:
12V system: DC18V
24V system: DC30V
48V system: DC60V

Enter the low-pressure recovery point: 
12V system: DC22V
24V system: DC34V
48V system: DC65V

The maximum input voltage limit: DC100V

Input overvoltage protection point: DC90V

Input Overvoltage recovery point: DC95V

The maximum input power of solar panels:
12V system: 700W
24V system: 1400W
48V system: 2800W

Output characteristics:

Overcharge protection voltage:
12V system: 14.6V
24V system: 29.2V
48V system: 58.4V

Output rated current: 40A

Limiting protection: 41A


LCD display: Input and output parameters and total power output, etc. (see LCD Display Description)

LED display: Three indicators: fault indicator, charging indicator light, power indicator (see LED instructions)

Protect Function:

Input Low Voltage protection: yes(see the input characteristics)

Input high voltage protection: Yes(see the input characteristics)

Input reverse polarity protection: Yes

Output over voltage protection: Yes (see the output characteristics)

Output reverse polarity protection: Yes

Short circuit protection: Can be recovered from a long-term short-circuit, short-circuit fault is eliminated

Temperature protection: 95 degree
Size DxWxH(mm): 310*160*70MM
Net Weight(kg): 2kg   
Gross Weight(kg): 2.5KG
Security Level: IP21

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