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Zhuolan 300W Switching Power Supply

 -  SILVER 139083001

25A AC 170 - 250V to DC 12V Driver for LED Light

Discount : 12% OFF
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Zhuolan 12V 25A 300W Switching Power Supply
  • Description
  • Product FAQ
  • Customer Reviews
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  • Wholesale Inquiry

Main Features:
● High efficiency, long life and high reliability
● Low DC ripple, high efficiency
● Low operation temperature, long performance life
● Excellent insulation property, high dielectric strength
● Built-in current limiting circuit 100 percent full-load burn-in test

Note: Product photography is for illustration only. There is no sticker on the radiator.



Rated Power (W): >250


Product weight: 0.539 kg
Package weight: 0.618 kg
Product size (L x W x H): 21.20 x 8.10 x 3.00 cm / 8.35 x 3.19 x 1.18 inches
Package size (L x W x H): 21.90 x 8.80 x 3.70 cm / 8.62 x 3.46 x 1.46 inches

Package Contents

Package Contents: 1 x Zhuolan Switching Power Supply

Detailed parameters

1. AC input voltage range: AC 170 - 250V;
2. Input current(A): 4A / 230V;
3. Frequency (Hz): 50 / 60Hz;
4. Efficiency: 90 percent Typ ( 230V AC Full Load );
5. Inrush current(A): Cold-start 25A / 230V;
6. Leakage current(mA): < 3mA / 240V AC. 
1. Output voltage(V): 12V DC;
2. Output current(A): 25A;
3. Current range (A): 0 - 25A;
4. Rated power(W): 300W;
5. Start time, hold-up time(ms): Ton ≤ 1000ms,Td ≥ 20ms under 230V AC Full Load;
6. Rise time(ms): Typ:20ms under 230V AC Full Load;
7. Ripple / Noise(mvp - p): 120mvp - p.
1. Over voltage protection: > 115 - 135 percent rated output voltage;
2. Over load protection: > 105 - 150 percent  auto recovery;
3. Short circuit protection: Latched.

In order to ensure the safety of human use, before installation, please note:

1. Select the correct input voltage and the input and output connection method.

2. Do not peel off the power before installing a protective layer to prevent foreign matter falling into the lead when the power supply is damaged.

3. After installation please tear in addition to the protective layer, so as not to affect the power cooling.
4. To avoid electric shock, do not disassemble the power supply chassis.


Product installation instructions:

1. The installation, use a length of screw less than 4mm to fix the power supply.

2. Before the installed power run, check and proofread each wiring terminals on, make sure the input and output, AC and DC, positive and negative voltage.
And current values such as the right to eliminate wrong connection reverse phenomenon, to avoid damage to the power supply and user equipment.
3. Use a multimeter to measure power before hot, neutral and ground short circuit, the output is shorted; load when power is the best start.
4. Do not exceed the power supply when using the nominal value, so as not to affect the reliability of the product. To change the power supply output parameters, the power supply to the customer before using our technical surgery department consulted to ensure the use of the product and reliability.
5, In order to ensure the safety and reduce the use of interference, ensure reliable grounding ground (grounding wire more than AWG18 #).
6, In order to extend the life of power, our company can provide duct design solutions.
7. Do not frequent switching power supply, or affect their life.
8, Such as power failure, please do not repair them, please contact the company as soon as possible to resolve.  

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Overall Customer Rating:

5.0 2 Customer Reviews

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  • Zhuolan 12V 25A 300W Power supy

    From STEFANO CARRARO Oct 03,2016

    Articolo pienamente rispondenti alla descrizione di cui ne sono pienamente soddisfatto. La ventola di raffreddamento è molto
    silenziosa lo userò per alimentare il caricabatteria rc. Spedizione veloce e articolo ben imballato.


    Is this helpful? Yes 0 No 0

    Price 5

    Ease of Use 5

    Build Quality 5

    Usefulness 5

    Overall Rating 5

  • Transformador 220v a 12v 300w

    From Enrique Porras Sep 24,2016

    A llegado en menos de 15 días, funciona correctamente. buen ensamblado.
    Producto de buena calidad.

    El ventilador es un poco ruidoso.

    Is this helpful? Yes 0 No 0

    Price 3

    Ease of Use 5

    Build Quality 5

    Usefulness 5

    Overall Rating 5

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Stock in: China

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