Is Yueqing Keldan Technology a manufacturer or a trading company?

We are a custom manufacturer with an in-house export team. Our production site has been verified onsite by TÜV Rheinland, covering production lines, QA/QC and trading capability.

Which certifications do Keldan power supplies carry?

Our standard DIN rail and switching power supplies are CE-marked. Test reports for specific models can be supplied on request so you can check compliance with your target market before ordering.

What is the minimum order quantity?

Many standard DIN rail and enclosed models can be sampled from 1 piece. Some series, such as the LRS CCTV series and low-profile DIN rail models, start from 10 to 15 pieces. Custom OEM projects have project-specific MOQs.

Do you support OEM and ODM customization?

Yes. We offer design-based and sample-based customization, including output voltage and current, enclosure, terminals, cable, private label and packaging.

How is every power supply tested before shipment?

Units pass incoming material inspection, SMT placement with reflow soldering, AOI optical inspection, manual debugging, full-load aging (burn-in) testing and a final finished-product inspection.

Should I choose a pure sine wave or modified sine wave inverter?

Choose a pure sine wave inverter for inductive loads, compressors, pumps, audio and sensitive electronics. A modified sine wave inverter is a cost-effective option for resistive loads such as heaters, lamps and simple tools.

3000W High Voltage DC Power Supply 110V 27.3A Adjustable SMPS 220V AC to 110V DC Converter for Industrial Use

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3000W High Voltage DC Power Supply 110V 27.3A Adjustable SMPS 220V AC to 110V DC Converter for Industrial Use

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3000W High Voltage DC Power Supply 110V 27.3A Adjustable SMPS 220V AC to 110V DC Converter for Industrial Use

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