AC DC Adapter 28V 6A UL PSE SAA CE UKCA Listed Switching Power Supply

Product Overview:

Henryuan 168W 28V 6A AC DC power supply switching adapter is a premium power solution designed for a variety of applications. With stable power supply design and robust protection features, this 28V 6A adapter ensures safe and stable operation. Ideal for aerospace and avionics, automotive and heavy vehicles, industrial automation, medical equipment, telecommunications, renewable energy systems, consumer electronics, railway and transportation, military and defense, test and measurement. 
Applicatons:

• Aerospace and Avionic
  
• Telecommunication
  
• Test and Measurement
  
• Medical Equipment

Safety and Certification:

• Our AC DC adapters 28V 6A are rigorously tested and certified to meet global standards, ensuring safety and reliability. Certifications include:
• UL, ETL, cUL, FCC, PSE, CE EMC, LVD, UKCA, SAA, KC, CCC

Input Specifications:

• Input Voltage: 90Vac - 264Vac
• Rated Input Voltage: 100Vac - 240Vac
• Frequency: 47Hz - 63Hz
• Input Current: 3A
• Inrush Current: 60A

Output Specifications:

• Rated Output: 28V at 6A
• Voltage Range: 26.6V - 29.4V (28V ± 5%)
• Current Range: 0A - 6A
• Total Power: 168W
• LED Indicator: Included for operational status monitoring

Protection Features:

Our 28V 6A AC DC power supplies include multiple layers of protection to ensure safe operation:

• Over-Current Protection
• Over-Voltage Protection
• Short Circuit Protection
• Hiccup Protection

Quality Assurance:

• Experienced Sales Team: Our sales engineers have over a decade of experience in understanding and meeting customer needs.
• Rigorous Material Selection: We employ a strict process for choosing raw material suppliers and conduct thorough incoming material inspections.
• Experienced Engineering: Our engineers bring over 20 years of experience in material solutions design.
• Advanced Production: We utilize skilled staff and cutting-edge testing equipment to ensure product quality.
• Comprehensive Testing: 100% aging testing up to 4 hours at full load to guarantee reliability.
• Responsive After-Sales Support: A robust system for handling customer feedback, with resolutions typically within 48 hours.

About Henryuan Group

With over 13 years of experience in the production and R&D of switching power supplies, Henryuan Group is a leading supplier in the industry. This 28V 6A power adapters are renowned for their superior performance and safety, making us a trusted choice worldwide. Our 28V 6A AC adapters are exported to markets across the Americas, Europe, Asia, and Australia, maintaining a high market share due to their excellent EMI performance and low ripple characteristics.

Our team of experienced engineers is dedicated to meeting customer requirements, whether for existing products or during the development stage. We offer a range of ac adapters 28V, including models with output currents from 0.3A to 15A, to suit diverse applications.

More Switching Power Supply Links:

• Explore More Switching Power Supplies.

Contact Us

For a safe, reliable, and efficient 168W 28V 6A power supply, contact Henryuan’s sales engineers today. Let us provide you with the ideal solution for your power needs.

• 28V Power Supply
  
• 28V 6A Power Supply
  
• 28V 6A DC Adapter
  
• 28V 6A AC Adapter
  
• 28V 6A Switching Adapter
  
• 28 Volt 6A Power Supply

Q&A

Q: What exactly does "DOE Level VI Compliance" mean, and why is it mandatory?

A: DOE Level VI is a rigid energy-efficiency standard mandated by the United States Department of Energy. It dictates strict limits on both active efficiency (how efficiently the adapter converts AC grid power to DC power under load) and no-load power consumption (the "vampire draw" when the adapter is plugged in but the device is turned off or disconnected). Henryuan’s 28V 6A adapter fully complies with Level VI benchmarks, minimizing carbon footprints and ensuring your integrated system is 100% legal for import and commercial distribution within the United States.

Q: How does a Class I power supply differ from a Class II power supply?

• Class I Power Supply: Relies on a combination of basic insulation and a protective earth (ground) conductor to prevent electric shock. It utilizes a 3-pin AC inlet (such as an IEC C14 or C6), meaning the equipment's metal chassis must be bonded to the safety ground of your building's electrical system.
  
• Class II Power Supply: Features a 2-pin AC inlet and relies entirely on double or reinforced insulation for safety, requiring no earth ground.

Q: My system uses highly sensitive data sensors. Will the ripple and noise from this 28V adapter cause signal interference?

A: No. Standard, low-tier switching power supplies often generate severe high-frequency electromagnetic interference (EMI) and excessive voltage ripple that pollutes adjacent communication lines. Henryuan bypasses noisy digital microcontroller clock cycles in favor of a specialized pure hardware analog closed-loop topology. This architecture delivers an exceptionally smooth, low-ripple 28V DC output, completely suppressing electrical noise to protect your high-speed data lines, telemetry circuits, and sensitive analog sensors from cross-talk.

Q: What happens if my device momentarily draws slightly more than the rated 6A current?

A: This adapter is strictly engineered to deliver a continuous, stable 6A at 28V (168W total output power). To protect both the power supply and your downstream electronics from catastrophic damage during transient current spikes, the unit features built-in Over-Current Protection (OCP),the allowance is generally 1.2 to 1.3 times the nominal value.. If a severe overcurrent or short-circuit event occurs, the hardware-driven safety matrix will instantly clamp the output or enter "hiccup mode" until the fault condition is cleared, preventing thermal runaway.

Q: Does this 168W adapter require a cooling fan? Is it prone to overheating?

A: No, this power platform utilizes a fanless, completely silent natural cooling. By sourcing premium, low-loss semiconductors and structuring highly efficient internal thermal dissipation pathways, we eliminate the need for a mechanical fan. This drastically reduces mechanical wear and tear, prevents the internal PCBA from sucking in shop-floor dust or moisture, and ensures an exceptionally long Mean Time Between Failures (MTBF).