UES140 Series 140W GaN Medical Power supply Adapters for Medical and ITE Applications

By Mia Xu
July 14, 2026

Growing demand for portable medical devices, AI-assisted diagnostic equipment, laboratory instruments, and USB-C powered healthcare systems is driving the need for higher-power medical adapters that combine efficiency, safety, compact size, and global regulatory compliance.

To meet these evolving requirements, Quankang announced the UES140 Series 140W GaN Medical Power supply Adapters, including the UES140AZ-SPC and UES140BZ-SPC models. Designed for medical devices, laboratory equipment, and professional Information Technology Equipment (ITE), the new series combines next-generation Gallium Nitride (GaN) technology, medical-grade isolation, USB PD3.1 fast charging, and worldwide safety certifications in a compact desktop power solution.

Designed for OEMs, ODMs, and system integrators, the UES140 Series delivers up to 140W output power, helping manufacturers simplify system integration while meeting stringent international safety and energy efficiency requirements.

Designed for Modern Medical and Precision Equipment

The UES140 Series is engineered for demanding applications requiring stable, efficient, and medically compliant power delivery, including:

Application	Benefits
Ultrasound Systems	Stable continuous output for imaging performance
Oxygen Concentrators	Reliable long-term operation
Patient Monitors	Low leakage current for enhanced patient safety
ECG Equipment	Medical-grade isolation protection
Flat Panel Detectors	High efficiency with reduced heat generation
Medical Imaging Systems	Stable power under continuous workloads
Laboratory Analyzers	Worldwide safety certifications
Portable Diagnostic Devices	USB PD fast charging support
Battery-Powered Medical Equipment	Faster charging with multiple output profiles
Professional ITE & Precision Instruments	Global AC input compatibility

By combining medical-grade safety architecture with advanced power conversion technology, the UES140 Series delivers dependable performance for mission-critical equipment where reliability and safety are essential.

High-Efficiency GaN Technology with Global Compatibility

Powered by next-generation Gallium Nitride (GaN) technology, the UES140 Series achieves conversion efficiency of up to 92%, reducing power loss and heat generation while improving overall system efficiency.

The adapters comply with DOE Level VI energy efficiency requirements and feature ultra-low standby power consumption of ≤0.15W, helping manufacturers design environmentally responsible products.

Why GaN Technology Matters

Compared with conventional silicon-based power supplies, GaN technology enables:

Higher power density
Smaller adapter size
Lower operating temperatures
Improved energy efficiency
Better long-term reliability
Reduced cooling requirements

For medical device manufacturers, these advantages contribute to more compact equipment designs, improved system reliability, and lower total operating costs.

Key Electrical Specifications

Specification	Value
Input Voltage	80–264VAC
Frequency	47–63Hz
Maximum Output	140W
Efficiency	Up to 92%
Standby Power	≤0.15W
Operating Altitude	Up to 5,000 meters

The universal input range and high-altitude capability make the series suitable for healthcare facilities and industrial installations worldwide.

Why 140W Power Is Increasingly Important

Modern medical equipment integrates high-resolution displays, embedded processors, wireless communication modules, battery charging circuits, and intelligent control systems within increasingly compact enclosures.

These additional functions require significantly more power than previous generations of equipment.

The UES140 Series provides sufficient power headroom for next-generation medical systems while maintaining medical-grade safety, high efficiency, and compact dimensions.

Multi-Protocol Fast Charging for Portable Medical Devices

Beyond conventional DC power delivery, the UES140 Series supports multiple industry-standard fast charging protocols:

USB PD3.1
USB PD3.0
0+
0
0

Supported output profiles include:

This flexibility enables faster charging for portable and battery-powered medical equipment while maintaining stable and reliable power delivery.

Medical-Grade Safety and Global Compliance

Patient safety and equipment reliability remain at the core of the UES140 Series.

2 MOPP Isolation Protection

The adapters incorporate 2 MOPP (Means of Patient Protection) isolation architecture and maintain touch leakage current at ≤100μA under 264VAC input conditions, supporting compliance with stringent medical safety standards.

High Dielectric Strength

The series passes a 4000VAC input-to-output dielectric withstand test and provides insulation resistance of ≥10MΩ, ensuring robust electrical isolation and long-term operational reliability.

International Certifications

The UES140 Series complies with major international safety and EMC standards, including:

IEC/EN 60601-1
IEC/EN 60601-1-11
ANSI/AAMI ES60601-1
IEC 62368-1
EN 55032

By integrating internationally recognized certifications into the power supply, OEM manufacturers can simplify product certification, shorten development cycles, and reduce regulatory risks during medical device approval.

Comprehensive Protection Functions

Integrated protection features include:

Overload Protection (120–170%)
Over-Current Protection
Over-Voltage Protection
Short-Circuit Protection
Over-Temperature Protection

The protection system automatically recovers after fault conditions are removed, helping maximize equipment uptime and reduce maintenance requirements.

Compact Design for Easy System Integration

The UES140 Series features a compact desktop enclosure measuring:

121 × 66 × 32 mm

Weight:

Approximately 340 g

Available AC inlet options include:

This flexibility allows manufacturers to simplify deployment across global markets while accommodating regional power requirements.

With an MTBF exceeding 100,000 hours (MIL-HDBK-217, 25°C), the series delivers dependable long-term performance for mission-critical applications.

Technical Highlights

Feature	Specification
Technology	GaN
Maximum Output	140W
Efficiency	Up to 92%
Standby Power	≤0.15W
Leakage Current	≤100μA
Isolation	2 MOPP
Input Voltage	80–264VAC
Fast Charging	USB PD3.1 / QC4.0+
Safety Standards	IEC 60601-1, IEC 62368-1
Operating Altitude	5,000 m
MTBF	>100,000 Hours

Helping OEM Manufacturers Simplify Product Development

Compared with conventional 140W adapters, the UES140 Series combines GaN efficiency, medical-grade isolation, USB PD3.1 support, worldwide certifications, and a compact enclosure in a single solution.

This enables OEM and ODM manufacturers to:

Reduce development complexity
Accelerate regulatory approval
Improve equipment reliability
Lower thermal management requirements
Support global product deployment

Availability

The UES140 Series is now available for engineering evaluation, prototype development, regulatory testing, and volume production.

In addition to standard models, Quankang offers OEM and customization services, including:

Custom output voltages
DC connector options
Cable length customization
Product labeling
Regional AC inlet configurations
Private branding
Application-specific power solutions

Medical device manufacturers, OEMs, ODMs, and system integrators are welcome to contact Quankang for engineering samples, technical consultation, and customized medical power solutions.

Frequently Asked Questions

What applications is the UES140 Series designed for?

The UES140 Series is designed for medical devices, laboratory analyzers, patient monitoring systems, imaging equipment, portable diagnostic devices, and professional ITE requiring up to 140W of reliable power.

Does the UES140 Series comply with medical safety standards?

Yes. The adapters comply with IEC/EN 60601-1, IEC/EN 60601-1-11, ANSI/AAMI ES60601-1, IEC 62368-1, and EN 55032, providing 2 MOPP isolation and low leakage current suitable for medical applications.

Does the adapter support USB PD3.1 fast charging?

Yes. The UES140 Series supports USB PD3.1, USB PD3.0, QC4.0+, QC3.0, and QC2.0, making it suitable for modern portable and battery-powered medical equipment.

Can Quankang provide OEM customization?

Yes. Quankang offers OEM and ODM services including custom output voltages, DC connectors, cable lengths, labeling, regional AC inlet options, and private branding.

About Quankang

Quankang specializes in certified medical power supplies, AC/DC adapters, ITE power supplies, USB PD chargers, and customized power solutions for medical, laboratory, industrial, and professional ITE equipment.

With power solutions ranging from 5W to 300W, Quankang supports OEM and ODM manufacturers worldwide with products compliant with IEC 60601-1, IEC 62368-1, and international energy efficiency standards, helping customers accelerate product development and global market entry.