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Item #:
28804425
Adjustable Dc Power Supply 30v 10a Variable Switching Lab Bench Precision
87% of respondents would recommend this to a friend
Item #:
28804425
HKD 605
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from UK
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Imported from UK store
QTY:
Order now and get it around Friday, September 04
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ADJUSTABLE POWER SUPPLY 30V/10A - Ideal for use with PCBs, production line testing, electrical maintenance and repair, fault finding, battery charging, electroplating, scientific research and teaching.
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What Stands Out
Precision Output
Delivers stable, precise voltage and current, ensuring accurate results for sensitive electronics projects, making it ideal for engineers and hobbyists alike.
Adjustable Settings
Offers variable voltage up to 30V and current up to 10A, providing flexibility for various applications, from testing circuits to powering electronic devices.
Compact Design
Designed for lab and workbench environments, its compact size saves space while maintaining high performance, perfect for busy workshops or limited spaces.
Product Details
| Brand | LONGWEI |
| Output Power | 300 W |
| Maximum Current Output | 10 A |
| Maximum Voltage Output | 30 V |
| Adjustable Power Supply Type | Switch-Mode Power Supply (SMPS) |
| MPN | 3010D |
| Number of Channels/Outputs | 1 |
| EAN | Does not apply |
| Country of Origin | China |
Who Should Buy?
-
Electronics Hobbyists
Perfect for enthusiasts needing controlled power for DIY electronics projects or experimental setups.
-
Laboratory Use
Ideal for lab environments requiring precise voltage and current adjustments for testing and prototyping.
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Technicians and Engineers
Beneficial for professionals needing reliable power supplies for repairs, testing circuits, or electronic development.
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Heavy Industrial Use
Not suitable for large-scale industrial applications requiring higher wattage or robust power specifications.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the input voltage range of the power supply?
Answer: The input voltage range is 230V AC ±10%, 50Hz. -
Question:
What is the warranty period for this power supply?
Answer: The power supply comes with a 1 year warranty. -
Question:
What are the dimensions and weight of the power supply?
Answer: The power supply measures 22 x 7 x 16cm (LxWxH) and weighs 1.5kg.
LONGWEI Adjustable Power Supplies Editorial Review
ADJUSTABLE DC POWER SUPPLY 30V 10A VARIABLE SWITCHING LAB BENCH PRECISION offers a compact design that delivers reliable performance, designed to provide an accurate voltage output and current limit display. Users appreciate how it employs multi-turn potentiometers for precise voltage settings up to 30 volts with 0.1V tolerance, making it a suitable option for delicate tasks requiring exact measurements. Some users express concern regarding safety compliance and the proximity of internal wiring, suggesting caution when using it. However, the temperature-controlled fan ensures efficient operation without annoying noise, which is a significant advantage over larger models.
Customer Reviews & Ratings
92 customers ratings
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5 Star
78%
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4 Star
15%
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3 Star
8%
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2 Star
2%
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1 Star
0%
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Pros
- Compact size fits well on any workbench
- Accurate voltage output and current limits
- Temperature-controlled fan operates quietly
- Multi-turn potentiometers allow precise voltage adjustment
- Ideal for dual-rail or multi-supply projects
Cons
- Minor limitations in design for some user preferences
Platform Trust & Buyer Confidence
FZ
F Zhang
Verified buyer
“Good product, and smooth delivery!”
18-Jul-26 · via Trustpilot
RD
Roxy
Verified buyer
“Great products and services”
17 April 2026 · via Trustpilot
KD
Khushi
Verified buyer
“Ubuy Hong Kong is a game-changer. I was looking for a specific American brand that doesn't ship to Asia, and Ubuy had it in stock. The selection of global products is incredible. It saves me the hassle of using freight forwarders or asking friends to bring items over. The process was seamless from checkout to delivery”
6 July 2026 · via Trustpilot
KM
kritika
Verified buyer
“I?m always nervous buying electronics and skincare online, but Ubuy Hong Kong delivered exactly what I ordered and it was 100% genuine. It?s refreshing to find a platform that you can actually trust with premium brands. Will definitely be a returning customer.”
3 July 2026 · via Trustpilot
S
Sam
Verified buyer
“Great product, good packing, the goods arrived quickly and well protected.”
6 June 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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HKD 605
Order now and get it around Friday, September 04
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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Fastest cross-border delivery
Features & Benefits
- Adjustable power supply with individual adjustment for current and voltage.
- High precision dual LED display for current and voltage.
- Efficient low noise cooling fan with overload protection, overheating protection, overvoltage protection, and short circuit protection.
- 1 year warranty.
- Input voltage: 230V AC ±10%, 50Hz. Output voltage: 0-30V. Output current: 0-10A.
- Size: 22 x 7 x 16cm (LxWxH). Weight: 1.5kg.
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