High-efficiency switching power supplies engineered for demanding American industrial, automation, and commercial environments.
The US open frame power supply market is one of the largest and most technologically advanced in the world, driven by robust industrial automation, data center expansion, and the clean energy transition.
Market Forecast: The North American switching power supply market is projected to exceed $6.8 billion USD by 2028, with open frame designs capturing the fastest-growing share due to their flexibility in OEM integration and thermal management advantages.
The US manufacturing renaissance — driven by reshoring policies and Industry 4.0 adoption — has surged demand for reliable open frame power supplies in CNC machinery, robotics, conveyor systems, and factory automation panels across states like Texas, Ohio, and Michigan.
With hyperscale data center investments from Amazon AWS, Microsoft Azure, and Google Cloud concentrated in Virginia, Oregon, and Iowa, open frame PSUs rated for 1000W–2000W are in high demand for server rack and edge computing deployments.
The Inflation Reduction Act (IRA) has catalyzed massive investment in solar, wind, and EV charging infrastructure. Open frame power supplies are critical components in EVSE charge controllers, battery management systems, and grid-tied inverter designs.
US hospitals and medical device OEMs require FDA-compliant, low-leakage open frame power supplies for diagnostic imaging, patient monitoring, and surgical equipment — a $1.2B+ segment with strict UL 60601 certification requirements.
The nationwide 5G rollout by AT&T, Verizon, and T-Mobile demands ruggedized open frame PSUs for base station equipment, small cell deployments, and telecom cabinets operating across diverse climate zones from Alaska to Florida.
US defense contractors and aerospace OEMs in California, Virginia, and Connecticut source high-reliability open frame power supplies for avionics, radar systems, and military-grade electronics — requiring MIL-SPEC or equivalent performance standards.
Understanding these macro trends helps US buyers and system integrators select the right power supply partners for long-term project success.
US energy regulations and California's CEC standards are pushing OEMs to demand 93%+ efficiency open frame supplies. PFC-corrected designs with active power factor correction (APFC) are now baseline requirements for commercial and industrial buyers across the country.
US factories adopting AI-driven predictive maintenance require power supplies with digital communication interfaces (PMBus, I2C, CAN bus) for real-time monitoring. Programmable open frame PSUs with remote voltage adjustment are seeing 40%+ year-over-year demand growth.
Post-pandemic supply chain disruptions have led US companies to prioritize suppliers with proven logistics networks, US warehouse stocking, and fast lead times. Manufacturers offering NET30 terms, US distribution partnerships, and rapid prototyping for OEM projects gain significant competitive advantage.
With US infrastructure operating at 120V/60Hz while many industrial facilities use 208V or 480V three-phase systems, wide-input open frame PSUs (85–264VAC universal input) are preferred by system integrators designing equipment for nationwide deployment.
Space-constrained applications in telecom, medical devices, and compact industrial controllers demand open frame PSUs delivering 1000W+ from smaller PCB footprints. Advanced GaN and SiC semiconductor technology is enabling new benchmarks in power density for US OEM designs.
US buyers require UL 508 (industrial), UL 60950/62368 (IT/AV), FCC Part 15 Class B (EMI), and RoHS compliance as minimum entry standards. Increasingly, ENERGY STAR and DOE Level VI efficiency certifications are becoming purchasing prerequisites for government and commercial projects.
From Silicon Valley tech campuses to Midwest manufacturing floors, open frame PSUs are the invisible backbone of modern American infrastructure.
Automotive OEMs and Tier-1 suppliers in Michigan and Ohio deploy 24V/48V open frame PSUs in PLC control panels, robotic welding cells, and AGV charging stations. High MTBF ratings and -40°C cold-start capability are essential for unheated factory environments.
California's SGIP program and Texas's expanding solar belt drive demand for 48V–400V programmable open frame PSUs used in battery management systems, solar charge controllers, and microgrid inverter testing equipment.
NEVI-funded EV charging corridors across all 50 states require Level 2 and DC fast charger electronics powered by robust open frame switching supplies rated 1000W–4000W with wide operating temperature ranges and IP-rated enclosure compatibility.
Medical device clusters in Massachusetts and Minnesota source low-leakage, isolated open frame PSUs for ultrasound equipment, infusion pumps, and digital X-ray systems. 2xMOPP isolation and SEMI F47 compliance are standard requirements.
Telecom infrastructure companies deploying 5G small cells along US highway corridors and urban centers require compact open frame PSUs with -40°C to +85°C operation, surge protection to IEC 61000-4-5, and 10-year design life ratings.
US commercial real estate, retail chains, and critical infrastructure operators install thousands of IP cameras and access control panels powered by DIN rail and open frame PSUs. 24/7 operation, wide input range, and UL Listed certification are non-negotiable for this segment.
Established in 2011, Huyssen Power is committed to being a better provider of power solutions for global markets, including the United States. Our production lines include AC-DC power supplies, DIN Rail power supplies, Programmable power supplies, Battery chargers, and DC-DC converters.
With over 14 years of R&D experience and more than 1,300 product models, we provide American distributors, OEM manufacturers, and system integrators with reliable, certified open frame power supplies backed by responsive technical support and flexible OEM/ODM customization services.
LEARN MOREWe know well that only by constantly innovating can we maintain a leading position in the fierce market competition. Therefore, we launch 2–3 new models of power supplies every month.





Our state-of-the-art manufacturing facilities ensure every open frame power supply shipped to the United States meets the highest standards of quality, reliability, and compliance.
Our factory covers an area of over 2,500 square meters and is equipped with advanced production equipment. We have three automated production lines with automated, precise, and efficient production processes — enabling consistent quality for bulk orders destined for the US market.
The annual production capacity of switch mode power supplies can reach over 430,000 units, and there are cooperative processing plants that can cope with large-scale orders and urgent needs — ideal for US distributors and OEMs managing seasonal demand peaks.
We focus on customer needs and provide standardized and ODM/OEM customized services to meet diverse production requirements. US customers can specify custom output voltages, connector types, mounting configurations, and labeling to meet their exact product specifications.
Our factory has strong research and development capabilities and advanced production equipment. Our R&D team consists of 6 experienced senior technicians who focus on innovation and design new power supplies every month to meet the needs of different customers — including compliance with US standards such as UL, FCC, and DOE Level VI.








We are equipped with advanced production equipment and testing instruments to ensure every unit meets US market quality and compliance standards.

Used to test the stability and reliability of DC power supplies and power modules under long-term continuous load working conditions. Tests overvoltage protection, overload protection, and leakage current protection to ensure product safety — meeting UL and IEC safety standards required by US buyers.

Ensures performance and reliability of power products under various working conditions through comprehensive performance testing, dynamic characteristic testing, protection function testing, long-term stability testing, and safety testing — improving quality control levels for US OEM customers.

Simulates natural environmental conditions including high temperature, low temperature, and thermal cycling to test power supply performance and reliability across temperature extremes — critical for US deployments ranging from Arizona desert heat to Alaska winter cold.
Huyssen Power's open frame power supplies are trusted by customers across North America, Europe, Latin America, Africa, and Asia — with the United States as our primary export market.
Trusted by leading global brands across automotive, energy, electronics, and industrial sectors.


















Beyond business, Huyssen Power is committed to giving back to the community and building a sustainable future.
Contact Huyssen Power today for competitive pricing, OEM customization, and fast delivery to the United States.
Get a Free Quote NowExplore our comprehensive range of high-performance power supply solutions — all available for export to the United States with UL/FCC certification support.