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Details about  Bench DC Power Supply 110V/220V Input 0-30V/ 0-5A 4 Digit Precision LED Display

Bench DC Power Supply 110V/220V Input 0-30V/ 0-5A 4 Digit Precision LED Display
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Item Information

Item condition:
Brand New
Time left:
1 day 15 hours (19 Sep, 2014 07:49:43 AEST)
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AU $148.98
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Item location:
HK, Hong Kong
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International shipping and import charges paid to Pitney Bowes Inc. Learn More- opens in a new window or tab
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Item specifics

Brand New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... Read moreabout the condition
World Shipping
7 Days Money Back
Bench DC Power Supply 110V/220V Input 0-30V/ 0-5A 4 Digit Precision LED Display
NEW VERSION, 110V/ 220V Input selectable
30V, 5A Digital DC Power Supply Precision Variable Lab Grade

Super Silence & High Power
SMD Components & Magnetic core PQ3535
Digital keyboard input & High precision
Short circuit and overload protection
 This power supply has characteristics of high voltage stability, small ripple factor and with perfect circuit and over-current protection, even short circuit operation would not damage it. The unique design of keyboard input makes it easier to operate and with higher precision compared with traditional items. It is built with switching button to easily control the output. This series of DC regulated power supply are widely used in laboratory, production lines and electronic repairing.

Main Features
►110V/ 220V Input selectable
►Constant current and constant voltage output
►0-30V and 0-5A output adjustable
►High precision of 4 digit current display, with an precision of 1mA
►Support Keyboard Input as well as Lifting Adjustment(10V/ 1V/ 0.1V) operation
►2 modes of overcurrent protection: Automatic cut-off and Constant current output protection

Operation & Setting 

Lifting adjustment 

  • "7/8/9" and "1/2/3" seperately controls rise or reduction of "10V/1V/0.1V.(default)
  • In order to avoid misoperation, we should press button "4" and "1/ 7" simultaneously when lifting for 10V.
Overload protection
  • The default protection mode is "Constant Current Protection". Normally, the "CV" indicator light is on, and the power supply would continuously work at the set current output.
  • Keep pressing "4" and then press "I", the "CC" indicator light would also be on. Now the power supply is set at the state of "OCP" protection mode. At this status, it will automatically stop the output when overload.
►Please click here to download user mannual for more details.
The way to tell apart the AV110V/2201V input.
Do not connect the plug, then turn on power switch, and test the impedence of the input port with ohmmeter. The impedence of AC220V input port is about 1400ohm and that is about 750ohm for AC110V input port. 

New points

►Taking large amount of SMD components and of no fan design, this power supply is more portable than conventional items. The SMD components design also avoid the troubles that exist for the items using DIP components, such as the misinsertion or damage in the transport. This power supply works at an absolutely mute state, and never worry about the heat dissipation, since it is built with enough reserved space inside for heat convection.

►This power supply can control the output of voltage through "OUT" button, but the conventional item can achieve this only by the main power switch.

►Take switching circuit with PQ3535 magnetic core, it can provide function of depressurization as well as voltage stabilizing.

►Compared with the iron core, the magnetic core is more energy-saving and of higher efficiency.

Input Voltage 110V/ 220V adjustable
Output Voltage 0-30V
Accuracy of voltage output ±0.1V
Stability of voltage <0.01% + 3mV
Voltage of Ripple & Noise < 1mVRMS
Output Current 0-5A
Accuracy of current output ±0.01A
Stability of current <0.1%+3mA
Current of Ripple & Noise < 3mARMS
Accuracy of voltage display ±0.1V
Accuracy of current display 0.000-0.45A   ±0.001A
0.45-5A         ±0.01A
Recovery time 100uS
Working temperature 0-40℃  
Storing temperature -10-70℃
Dimension 249×125×142mm(D×W×H)
Weight 2075g

Notes:This item supports both 110V and 220V input. Please leave us a message if you want an item only supports 110V or 220V.
         Paper user manual is not included in the kit, please download user manual from our ad or check the video of operation in the disk.
Estimated Delivery Time (subjects to stock availability)
UK, Australia, New Zealand, South Asia,East Asia10-15 business days
USA, Canada, other EU countries(France,Germany, etc.)10-18 business days
Italy, Spain20-30 business days
South America, Other Countries15-20 business days

Please DO CONTACT AND CONFIRM with us BEFORE you bid IF you:

  • - need the item urgently.
  • - require that the item should be delivered within a certain time.
  • - have any other questions/requirements about delivery.


  • * Usually, your order will be dispatched before the next working day after the full payment is cleared when stock lasts.
  • * Notification will be sent after your order is dispatched, please check you email or ebay order records for date of dispatch.
  • * It is not guaranteed that parcel should arrive within the time stated above. However, 95%+ parcels will be delivered within the reference time.
  • * Please contact us if you have any trouble in receiving your orders. We will help you to track them.

Questions and answers about this item

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Seller assumes all responsibility for this listing.

Postage and handling

Item location: HK, Hong Kong
Posting to: Worldwide
Domestic handling time
Will usually post within 1 business day of receiving cleared payment - opens in a new window or tab.

Return policy

Item must be returned within
Refund will be given as
30 days after the buyer receives it
Money Back
The buyer is responsible for return postage costs.
Return policy details
If you are not satisfied with the item purchased from us. Please inform us in writing(e.g. e-mail, letter, fax) within 30 days of receipt of the goods. Allqualified returns/replacement must be guided by us. We may not accept your return without informing us in advance. Customs fee, handling charge, postage and insurance are not refundable.

Refunds by law: In Australia, consumers have a legal right to obtain a refund from a business for goods purchased if the goods are faulty, not fit for purpose or don't match description. More information at returns - opens in a new window or tab.

Payment details

Payment method Preferred/Accepted Buyer protection on eBay
Credit or debit card through PayPal

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