As technology rapidly evolves, the demand for reliable and efficient switching power supplies continues to rise across industries—from consumer electronics and industrial automation to telecommunications and medical equipment. Whether you’re an engineer, OEM buyer, or electronics enthusiast, selecting the right switching power supply supplier is crucial to ensuring performance, safety, and long-term value.

This article highlights the Top 10 Switching Power Supply Suppliers you should know this year, with a special focus on leading switching power supply manufacturers that have stood out for their quality, reliability, and customer service. Among them, WehoPower, a trusted power supply China manufacturer, has emerged as a prominent player known for its strong R&D capabilities, wide product range, and commitment to global standards.

WehoPower

Company Overview

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WehoPower is a professional switching power supply manufacturer based in Wenzhou, China. Established in 2007, the company specializes in the development, production, and sales of switching power supplies, LED drivers, and other new energy products. With a commitment to innovation and quality, WehoPower offers over 1,000 standard models of power supply products, catering to a wide array of applications including industrial machinery, LED displays, CCTV systems, renewable energy sources, electric vehicle charging stations, building automation, food and beverage industries, LED lighting, industrial machinery, and medical equipment.

Key Features Of WehoPower Switching Power Supply

High Efficiency: Many models boast efficiencies up to 93%, ensuring effective energy use and reduced heat generation.​

Wide Input Voltage Range: Designed to accommodate various global voltage standards, enhancing versatility in different regions.​

Comprehensive Protection: Built-in safeguards against short circuit, overcurrent, overvoltage, and overtemperature to ensure reliable operation and longevity.​

Global Certifications

Products adhere to international standards such as CE, RoHS, and ISO9001, underscoring WehoPower’s commitment to quality and safety.​

Challenger Cable Sales

Company Overview

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Challenger Cable Sales is a company specializing in the manufacturing and distribution of electronic components, including a diverse range of switching power supplies designed to meet various power requirements. Their products are widely used in applications such as cable television, telecommunications, and consumer electronics.​

Product Overview

Challenger Cable Sales offers an array of switching power supplies, each tailored to deliver efficient and reliable power conversion for different applications. For instance, the PS-2.1-12-267DAC model provides a 12V output at 2.67A, suitable for powering devices like routers and modems. It features a wide input voltage range of 100-240VAC, making it adaptable to various global power standards.

Amperor

Company Overview

Amperor is a reputable manufacturer specializing in the design and production of high-quality power supplies, including a comprehensive range of switching power supplies and LED drivers. Their products are widely utilized across various sectors such as data processing, LED lighting, networking, telecommunications, instrumentation, and computing.

Product Range

LED Power Supplies: Amperor offers both constant current and constant voltage LED power supplies suitable for diverse applications, including LED signage, channel letters, backlighting, and architectural lighting. Notable models include the ANP101, ANP08, and ANP240 series, each designed to meet specific requirements in terms of output power, dimming capabilities, and environmental suitability. ​

Open Frame Power Supplies: The AOF series comprises compact AC/DC power supplies suitable for consumer, commercial, and industrial applications. These units feature a universal input voltage range of 90-264VAC and are available in various output configurations to meet different power needs.

Arris

Company Overview

Arris, now part of CommScope, is a prominent provider of telecommunications equipment, offering a variety of switching power supplies designed to meet the demands of broadband and networking applications.

Product Overview

CHP-PS/AC1-SW Power Supply: This AC auto-sensing power supply supports input voltages ranging from 110V to 220V and is designed for use with the CHP-Chassis-19. It features redundant operation, ensuring continuous system performance. ​

PS3005 Power Supply: A high-performance, hot-swappable 250-watt power supply designed for the CH3000 chassis. It accepts AC input voltages from 100V to 240V and provides features like power factor correction and over-temperature protection. ​

PS3248 Power Supply: A 300-watt DC power supply for the CH3000 platform, accepting input voltages from -36V to -60V DC. It offers hot-swappable capability and over-temperature protection. ​

NBS40B120375M2 Power Supply: A 12V/3.75A switch mode power supply with a wall plug, suitable for powering devices like cable modems and routers. It includes a 2-prong power cord for easy installation. ​

​Aruba

Company Overview

​Aruba Networks, a subsidiary of Hewlett Packard Enterprise (HPE), specializes in networking solutions, including a range of switches and associated power supplies. These power supplies are essential for ensuring the reliable operation of Aruba’s networking equipment.​

Product Overview

Aruba X372 54VDC 1050W Power Supply (JL087A): This power supply is designed for select Aruba PoE switches, delivering 1050W of power with a 54V DC output. It accepts input voltages of 110-240V AC. 

Aruba X372 54VDC 680W Power Supply (JL086A): Intended for specific PoE switches, this unit provides 680W of power with a 54V DC output, supporting input voltages of 100-240V AC. 

Aruba 6300M 1050W PoE Power Supply (JL758A): Designed for the Aruba 6300M series, this modular power supply offers 1050W of power with a 36 to 72 VDC input, supporting PoE functionality.

Astrodyne

Company Overview

Astrodyne TDI is a global developer and manufacturer of power conversion and EMI/EMC solutions, serving demanding applications across various industries, including medical, industrial, semiconductor manufacturing, military, and aerospace. With over 60 years of experience, the company is headquartered in Hackettstown, NJ, and operates engineering and manufacturing centers in the USA and China.

Product Overview

ASM Series AC-DC Switch Mode Power Supplies: The ASM series delivers up to 550 watts of regulated DC power, operating over input voltage ranges of 80 to 264VAC at 50/60Hz. Designed for healthcare, industrial, and commercial applications, these power supplies are available in both open-frame and enclosed form factors. They are safety certified to IEC60601 for medical applications, including at-home care electronic designs. 

PMK/PMMK450 Series: These high-density, switching AC-DC power supplies provide 450 watts with active Power Factor Correction (PFC). Designed for moderate power needs, they are suitable for I.T.E systems, pumps, motors, and instrumentation applications. The PMMK versions are medically approved, meeting UL 60601 and EN 60601 specifications.

PowerBridge™ Uninterruptible Power Supply (UPS): Astrodyne TDI’s PowerBridge™ UPS offers power backup and patient isolation for essential applications. During a power failure, it delivers 2kVA of emergency power for over 4 minutes, ensuring continuous operation of critical systems. This compact, high-density solution includes isolation, a LiFePO4 battery, and IEC 60601 certification. ​

MK150S Series: These compact 150-watt enclosed switching power supplies feature universal 88-264VAC auto-range input and high efficiency. They are available in various output voltages, including 5V, 12V, 15V, and 24V, with built-in EMI filters and 3000V isolation.

Kodiak 6kW Liquid-Cooled Power Supply: Astrodyne TDI offers high-density liquid-cooled power supplies, such as the Kodiak series, providing up to 6,000W of power with a 3-phase AC input. These supplies feature high efficiency (>94%) and are designed for critical applications requiring reliable and efficient power conversion.

Delta Electronics

Company Overview

Delta Electronics, founded in 1971 and headquartered in Taipei, Taiwan, is a global leader in power and thermal management solutions. The company offers a comprehensive range of products, including switching power supplies, which are utilized across various applications such as industrial automation, data centers, and consumer electronics. 

Product Overview

Desktop and Workstation Power Supplies: Delta provides power supplies ranging from 200W to 1600W, designed for desktop and workstation applications. These products meet high-efficiency standards, including ENERGY STAR® certifications, and feature designs that comply with environmental regulations like RoHS and Halogen-Free requirements.

Server Power Supplies: Delta’s server power supplies are engineered to deliver reliable and efficient power to server systems, supporting the demanding requirements of data centers and enterprise applications. These supplies are designed to meet industry standards for performance and energy efficiency. ​

Networking Power Supplies: Designed for networking equipment, Delta’s networking power supplies ensure stable and efficient power delivery to support continuous operation of networking devices. These supplies are built to meet the specific needs of telecommunications and networking applications.

​Mean Well

Company Overview

​Mean Well, established in 1982 and headquartered in New Taipei City, Taiwan, is a leading manufacturer of standard power supply products. The company ranks third globally in the DC output power supply market, as reported by Micro Technology in March 2023. ​

Product Overview

DRS Series: These power supplies offer 240W and 480W options with universal input ranging from 90 to 305VAC. They integrate functions such as power supply, DC-UPS, battery charger, and status monitoring within a compact unit. Features include relay contacts and LED indicators for AC fail, battery low, charger fail, and DC-OK, along with built-in MODBus protocol. ​

RSP Series: Providing outputs from 750W to 3000W, these programmable power supplies feature active PFC function and allow output voltage programming. They have a low profile design, with 1U height for models up to 2000W and 2U for higher wattages. Built-in current sharing is available, except for the RSP-750 model. ​

UMP Series: With a 400W capacity, the UMP series offers a fan-less, 1U design and a modular structure with DC-DC module cards. It operates over a wide temperature range from -30°C to +70°C and meets OVC III requirements, making it suitable for BF-rated medical equipment. ​

​Artesyn Embedded Technologies

Company Overview

​Artesyn Embedded Technologies, formerly known as Emerson Network Power, is a global leader in designing and manufacturing power conversion and embedded computing solutions. With over 40 years of experience, the company serves various industries, including communications, computing, medical, military, aerospace, and industrial sectors. ​

Product Overview

NPS-M Series: These switch-mode single-output AC/DC embedded power supplies feature a universal AC input, adjustable output voltage, high efficiency, and built-in EMI filters. They are suitable for information technology equipment (ITE) and light industrial systems, as well as equipment intended for non-patient contact and non-patient critical use in low-power medical, dental, and laboratory applications. ​

NLP250 Series: The NLP250 series offers 250W of power with universal input and single output. These power supplies are designed with a U-channel for maximum thermal performance and fit into 1U high applications. They feature active current sharing with internal OR-ing diodes for fault-tolerant and N+1 redundant applications.

LCM1000 Series: The LCM1000 series provides 1000W of power with single output voltages ranging from 12V to 48V. These rack-mounted power supplies are highly reliable and feature variable speed ‘smart fans.’ They are suitable for medical and industrial applications and can operate in temperatures ranging from -40°C to +70°C (with derating).

​Omch

Company Overview

​Omch is a prominent manufacturer of switching power supplies based in China, specializing in delivering efficient and reliable power solutions. With over 37 years of experience in the industry, Omch has established a strong reputation for producing high-quality products that meet international standards. ​

Product Overview

DIN Rail Power Supply: Designed for industrial automation and control systems, Omch’s DIN rail power supplies offer a compact form factor suitable for mounting on DIN rails. They provide stable and efficient power conversion, ensuring reliable operation in demanding environments. ​

Enclosed Power Supply: These power supplies come in a robust enclosed design, offering protection against environmental factors. They are ideal for applications requiring a secure and durable power source, ensuring consistent performance and safety. ​

Compact Switching Power Supply: Omch’s compact switching power supplies are engineered for space-constrained applications without compromising performance. They deliver high power density and efficiency, making them suitable for various electronic devices and systems. ​

Conclusion

In today’s rapidly advancing technological landscape, selecting a reliable and efficient switching power supply is more critical than ever. With the growing demand for power solutions across industries, choosing the right switching power supply supplier can significantly impact performance, safety, and long-term value.

Among the top contenders in the industry, WehoPower, a trusted power supply China manufacturer, stands out for its commitment to quality, innovation, and customer satisfaction. As a leading switching power supply manufacturer, WehoPower’s wide range of high-efficiency products and global certifications ensure that customers receive not only reliable but also cutting-edge power solutions tailored to diverse needs.