KPS303D Adjustable High precision double LCD display switch DC Power Supply protection function 30V 3A 115V-230V 0.1V/0.01A

  • 1-49 Pieces
  • 50-99 Pieces
  • >=100 Pieces
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Lead Time:
5 day(s) after payment received
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Place of Origin::
Guangdong, China (Mainland)
Input Voltage::
T/T/Western Union
Item name::
switching dc power supply
Place of Origin:

Packaging & Delivery

Selling Units:
Single item
Single package size: 
30X12X20 cm
Single gross weight:
2.0 kg
Package Type:
Standard exported packaging
Lead Time :
Quantity(Piece) 1 - 2 >2
Est. Time(days) 5 To be negotiated
Video Description

KPS303D Adjustable High precision double LCD display switch DC Power Supply protection function 30V 3A 115V-230V 0.1V/0.01A



KPS series is a single set of output, high precision double display switch dc power


Machines have complete operating protection function, with high performance,

low ripple, high stability , light weight and small volume etc.

Current limiting protection can make KPS power supply and load against accidental damage.

KPS series power supply with low temperature control circuit, a cooling fan noise is low.



1. Have complete operating protection function

2. Highly efficient, low ripple, small volume, light weight

3. Double display voltage, current, and high precision

4. Voltage stabilization, current limiting, simple operation

5. Dual voltage input and convenient choice

6. Temperature control fan heat dissipation, low noise

7. Double potentiometer more precise adjustment

Technical indicators:

Input voltage: AC 115V/230V/50/60Hz(Optional)

Output voltage: 0 - 30V

Output current: 0 - 3A

Voltage resolution: 100mV

Current resolution: 10mA

Power effect: CV1%+10mV

Effect of load: CV1%+10mV

Ripple and noise: Vp-p1%

Voltage display precision: 1%+1digits

Current display precision: 1%+2digits

Net/gross Weight (KG): 1.4/1.7

Volume (mm): 81WX165HX220L

Operating environment: (-10-45) Rh<90%

Item Size: Approx. 81 * 165 * 220mm 
Package Size: Approx. 120 *205 * 290mm 

Please choose the right input voltage on the back of DC power supply.
Incorrect choosing input voltage will damage the machine.

Package Lists:
1 * DC Power Supply
1 * Power Cord
1 * Output Line
1 * Instruction Book 







1. How could I buy products if there is no price on the website?

Buyers need to send required product details via e-mail. Then a reasonable quotation as request would be provided.


2. How long could I get reply of my enquiry?

Buyers will get a reply within 12 hours. China working hours 9:30-18:30 Monday-Friday online service to help buyers solving problem.. 


3. How is the after sales service?

Buyers updated market information regularly.


4. How about the Quality?

We have the best professional and experienced engineer and strict QA and QC syste.Repair rate under 0.1%-0.2%.


5. Which courier company do you use?

We use EMS, DHL, UPS, DPEX etc. Buyer can choose the desired shipping method when ordering.


6. I haven’t received my goods yet some days later after my payment.

You can check the logistics status by the tracking number we informed you in the email or in your account on the above website of express company to see where the parcel is, or you can contact us.