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300w Switching Power Supply

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Mwish Tg-300-12 300W 12V 25A 0-10V Thyristor Dimming Switching Power Supply

Mwish Tg-300-12 300W 12V 25A 0-10V Thyristor Dimming Switching Power Supply

US $ 20.32-23.7 / Piece FOB
50 Pieces (MOQ)
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Shenzhen Mingwei Electric Power Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2017
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LED Display SMPS for Digital Signage AC DC Power Supply 5V 12V 24V 60W 300W 60A 40A Switching Power Supply

LED Display SMPS for Digital Signage AC DC Power Supply 5V 12V 24V 60W 300W 60A 40A Switching Power Supply

US $ 0.89-1.99 / Piece FOB
100 Pieces (MOQ)
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Shen Zhen Saqcn Innovation Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
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60W 100W 200W 300W 400W DC 12V 24V AC220-240V LED Driver Switching Power Supply Transformer for LED Strip

60W 100W 200W 300W 400W DC 12V 24V AC220-240V LED Driver Switching Power Supply Transformer for LED Strip

US $ 2.4-2.6 / Piece FOB
500 Pieces (MOQ)
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Zhongshan Minglian Electronic Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
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110V AC to DC 12V 5V 6V 24V 300W 48AMP Switching Power Supply for laser Engraving Machine

110V AC to DC 12V 5V 6V 24V 300W 48AMP Switching Power Supply for laser Engraving Machine

US $ 7.8-9.5 / Piece FOB
5 Pieces (MOQ)
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Shenzhen Gofern Electronic Co., Ltd.

Guangdong, China Since 2006
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0-100V 0-3A 300W Adjustable Laboratory Switching Regulated Program RS232 Power Supply

0-100V 0-3A 300W Adjustable Laboratory Switching Regulated Program RS232 Power Supply

US $ 229 / Piece FOB
1 Piece (MOQ)
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Dongguan Mengtai Instrument Co., Ltd.

Guangdong, China Since 2021
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Ldv Seires AC to DC LED 12V/24V/36V/48V 110V/220V 30W/50W/60W/100W/150W/200W/250W Rainproof Waterproof Power Supply for Agricultural and Fishing Equipment

Ldv Seires AC to DC LED 12V/24V/36V/48V 110V/220V 30W/50W/60W/100W/150W/200W/250W Rainproof Waterproof Power Supply for Agricultural and Fishing Equipment

US $ 32.2-38.2 / Piece FOB
1 Piece (MOQ)
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Zhejiang Leyu Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2011
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Constant Current LED Dimming Power 12V 16.6A 200W 24V LED Driver Power Supply 300W for LED Music Fountain Advertising Light Box

Constant Current LED Dimming Power 12V 16.6A 200W 24V LED Driver Power Supply 300W for LED Music Fountain Advertising Light Box

US $ 99-4,390 / Piece FOB
2 Pieces (MOQ)
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Jinan Xinyuhua Energy Technology Co., Ltd.

Shandong, China Since 2021
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IP67 LED Waterproof Switch Power Supply 12V 24V 100W 200W 300W 400W for Outdoor Waterproof Lights

IP67 LED Waterproof Switch Power Supply 12V 24V 100W 200W 300W 400W for Outdoor Waterproof Lights

US $ 6.7-6.9 / Piece FOB
500 Pieces (MOQ)
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Zhongshan Minglian Electronic Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
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IP50 LED Switch Rainproof Power Supply 12V 24V 60W 100W 120W 300W for Outdoor Lighting

IP50 LED Switch Rainproof Power Supply 12V 24V 60W 100W 120W 300W for Outdoor Lighting

US $ 1.6-1.8 / Piece FOB
500 Pieces (MOQ)
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Zhongshan Minglian Electronic Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
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S-201W Single AC DC LED Switching Mode Power Supply

S-201W Single AC DC LED Switching Mode Power Supply

US $ 13.2-14 / Piece FOB
1 Piece (MOQ)
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Yueqing JYins Electric Technology Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2008
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300W LED Strip Light Tin Box Industry Applications 24V 12V Constant Voltage Enclosed Switching Power Supply

300W LED Strip Light Tin Box Industry Applications 24V 12V Constant Voltage Enclosed Switching Power Supply

US $ 12-15 / Piece FOB
100 Pieces (MOQ)
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Hangzhou Udwells Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2025
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300W LED IP20 Waterproof LED Power Supply 24V 10A

300W LED IP20 Waterproof LED Power Supply 24V 10A

US $ 4.91-5.42 / Piece FOB
100 Pieces (MOQ)
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AL Transfo Technology Limited

Anhui, China Since 2020
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Omch S-350 Switching Power Supply 350W Input 5V 12V 24V 36V 48V Output Industrial Electronics

Omch S-350 Switching Power Supply 350W Input 5V 12V 24V 36V 48V Output Industrial Electronics

US $ 11.45-12.67 / Piece FOB
5 Pieces (MOQ)
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Zhejiang Hugong Automation Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2018
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30kv10mA AC DC High Voltage Power Supply

30kv10mA AC DC High Voltage Power Supply

US $ 3,500-3,600 / Piece FOB
1 Piece (MOQ)
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Yangzhou Idealtek Electronics Co., Ltd.

Jiangsu, China Since 2016
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Hot Selling I/O Switching Power Supply Apfc PC Power Supply 300W for Desktop Computer

Hot Selling I/O Switching Power Supply Apfc PC Power Supply 300W for Desktop Computer

US $ 10-15 / Piece FOB
500 Pieces (MOQ)
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Xingsun Electronic&Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2020
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Chux Ndr48V 5A 240W Single DC Power Supply DIN-Rail SMPS Industrial Power Supply

Chux Ndr48V 5A 240W Single DC Power Supply DIN-Rail SMPS Industrial Power Supply

US $ 17.5-21.5 / Piece FOB
20 Pieces (MOQ)
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Yueqing Chuxi Electric Co., Ltd.

Trading Company

Zhejiang, China Since 2021
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12V 24V Triac Dimmable LED Driver Power Supply 60W/100W/200W/300W/400W

12V 24V Triac Dimmable LED Driver Power Supply 60W/100W/200W/300W/400W

US $ 3.41 / Piece FOB
100 Pieces (MOQ)
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Zhongshan Aomei Wire and Cable Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
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Industrial 300W Switching Power Supply Board Bare Board Module 24V 12.5A AC-DC 90-260VAC to DC-24V-12.5

Industrial 300W Switching Power Supply Board Bare Board Module 24V 12.5A AC-DC 90-260VAC to DC-24V-12.5

US $ 15.92-16.89 / Piece FOB
10 Pieces (MOQ)
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Yueqing Zhijiu Electric Co., Ltd.

Trading Company

Zhejiang, China Since 2025
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High Strength Mwish Fym-300-24 300W 24V 12.5A Fym Rain Proof SMPS Switching 24V DC Power Supply

High Strength Mwish Fym-300-24 300W 24V 12.5A Fym Rain Proof SMPS Switching 24V DC Power Supply

US $ 3.57-4.2 / Piece FOB
50 Pieces (MOQ)
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Shenzhen Mingwei Electric Power Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2017
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Mwish Lpv Series 300W 12V 24V 25A IP67 Switching Power Supply

Mwish Lpv Series 300W 12V 24V 25A IP67 Switching Power Supply

US $ 16.2-18.01 / Piece FOB
50 Pieces (MOQ)
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Shenzhen Mingwei Electric Power Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2017
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Output 5V 12V 24V 48V 35W/75W/100W/150W/200W/300W/400W/600W Lrs/Hsp Power Supply

Output 5V 12V 24V 48V 35W/75W/100W/150W/200W/300W/400W/600W Lrs/Hsp Power Supply

US $ 5.9-31.9 / Piece FOB
500 Pieces (MOQ)
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Shenzhen Sunshine Opto-Electronics Technology Ltd.

Guangdong, China Since 2012
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LED Driver + LED Switching Power Supply 12– 24V 60– 300W Waterproof IP67 IP68 UL Listed Pfc Slim Type

LED Driver + LED Switching Power Supply 12– 24V 60– 300W Waterproof IP67 IP68 UL Listed Pfc Slim Type

US $ 14.7-27 / Piece FOB
10 Pieces (MOQ)
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Hyrite Lighting Co.

Guangdong, China Since 2014
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AC to DC Constant Voltage 12V/24V 250W Waterproof IP67 Switching Power Supply

AC to DC Constant Voltage 12V/24V 250W Waterproof IP67 Switching Power Supply

US $ 20.4-21.7 / Piece FOB
10 Pieces (MOQ)
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Audited Supplier
Zhejiang Leyu Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2011
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About 300w Switching Power Supply FAQ

  • QHow can I locate reputable suppliers for switching power supplies in China?

    Discover the perfect addition to your Switching Power Supply with our 300w Switching Power Supply.In China, sourcing reputable suppliers for switching power supplies involves thorough research, including online supplier directories, industry networks, and trade shows. Verify supplier credentials, quality certifications, and request product samples for evaluation.

  • QWhat factors should I consider when opting for wholesale purchase of switching power supplies?

    The 300w Switching Power Supply is a premium choice in the Switching Power Supply category.Buying switching power supplies wholesale presents benefits such as cost savings, availability of bulk quantities, and consistent product quality. Wholesale purchases also often come with options for customization and faster delivery, ensuring reliable supply for your manufacturing needs.

  • QWhat are the key advantages of using switching power supplies?

    Enhance your Switching Power Supply setup with our premium 300w Switching Power Supply.Switching power supplies offer higher efficiency, smaller size, and lighter weight compared to traditional linear power supplies. They are also able to handle a wider range of voltages and frequencies, making them versatile for a variety of applications.

Wl Series Wl-300-24 300W 24V Transformer Switching Power Supply AC to DC Single Output SMPS Power Supplies for LED Lighting

Wl Series Wl-300-24 300W 24V Transformer Switching Power Supply AC to DC Single Output SMPS Power Supplies for LED Lighting

US $ 7.5-8.74 / Piece FOB
5 Pieces (MOQ)
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Zhejiang Weihao Electronic Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2010
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Efficient Mwish SL Series 300W 12V 24V 25A LED Strip SMPS Switching LED Power Supply 24V

Efficient Mwish SL Series 300W 12V 24V 25A LED Strip SMPS Switching LED Power Supply 24V

US $ 6.62-6.88 / Piece FOB
50 Pieces (MOQ)
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Shenzhen Mingwei Electric Power Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2017
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Dr-240-48 DIN Rail Type 240W 48VDC 5A Switching Power Supply

Dr-240-48 DIN Rail Type 240W 48VDC 5A Switching Power Supply

US $ 17-21 / Piece FOB
1 Piece (MOQ)
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Zhejiang Ximeng Electronic Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2009
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CE RoHS Approved Waterproof LED Power Supply 12V 250W

CE RoHS Approved Waterproof LED Power Supply 12V 250W

US $ 4.91-5.43 / Piece FOB
100 Pieces (MOQ)
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Audited Supplier
AL Transfo Technology Limited

Anhui, China Since 2020
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Ndr Series DIN Rail Switching Power Supply

Ndr Series DIN Rail Switching Power Supply

US $ 13-59 / Piece FOB
10 Pieces (MOQ)
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Yueqing Kane Electric Co., Ltd.

Zhejiang, China Since 2011
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1A 3A 5A 300W High Efficiency Linear DC Power Supply Switching Power Supply for Home Use

1A 3A 5A 300W High Efficiency Linear DC Power Supply Switching Power Supply for Home Use

US $ 76.21-152.42 / Piece FOB
1 Piece (MOQ)
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Guangzhou Idealplusing information technology co., LTD

Guangdong, China Since 2021
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24V Switching Power Supply Power Source Transformer 3A AC 110V 220V to DC 12 V 24 V Volt Converter CCTV Power Supply

24V Switching Power Supply Power Source Transformer 3A AC 110V 220V to DC 12 V 24 V Volt Converter CCTV Power Supply

US $ 1 / Piece FOB
50 Pieces (MOQ)
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Zuden Technology (HK) Co., Limited

Manufacturer/Factory & Trading Company

Guangdong, China Since 2006
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Switching LED Power Supply 12V 24V Pfc High Power Factor LED Driver 180W 240W 300W

Switching LED Power Supply 12V 24V Pfc High Power Factor LED Driver 180W 240W 300W

US $ 5.5-26.8 / Piece FOB
10 Pieces (MOQ)
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Hyrite Lighting Co.

Guangdong, China Since 2014
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LED Power Supply Units Ds-Bb300 12V 24V 300W 25A 12.5A Switching Power Supply for Indoor

LED Power Supply Units Ds-Bb300 12V 24V 300W 25A 12.5A Switching Power Supply for Indoor

US $ 1.5-1.7 / Piece FOB
500 Pieces (MOQ)
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Audited Supplier
Zhongshan Minglian Electronic Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
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Hot Sales Mode 5V Switching Power Supply AC 110V/ 220V to DC 60A High Current 300W Switching Power Supply for Tattoo Machine

Hot Sales Mode 5V Switching Power Supply AC 110V/ 220V to DC 60A High Current 300W Switching Power Supply for Tattoo Machine

US $ 7.8-9.5 / Piece FOB
5 Pieces (MOQ)
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Shenzhen Gofern Electronic Co., Ltd.

Guangdong, China Since 2006
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S-360-12 Design AC-DC Contro SMPS Switching Power Supply

S-360-12 Design AC-DC Contro SMPS Switching Power Supply

US $ 21.75-25.1 / Piece FOB
10 Pieces (MOQ)
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Zhejiang Leyu Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2011
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Omch Lp-100 DIN-Rail Digital Display SMPS 100W AC to DC Output 12V 24V Input Switching Power Supply

Omch Lp-100 DIN-Rail Digital Display SMPS 100W AC to DC Output 12V 24V Input Switching Power Supply

US $ 10.33 / Piece FOB
1 Piece (MOQ)
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Zhejiang Hugong Automation Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2018
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240W 12V 20A DIN Rail Power Supply With PFC Function

240W 12V 20A DIN Rail Power Supply With PFC Function

US $ 22-27 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Audited Supplier
Zhejiang Ximeng Electronic Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2009
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