Power adapter MEAN WELL MPM-90-12ST 90 W indoor 12 V black, input 80–264 V, 2xMOPP, EN/UL 60601

MEAN WELL MPM-90-12ST is a compact 90 W AC/DC PCB-mount medical-grade power supply that provides a 12 V DC output. The module accepts a wide input range of 80–264 VAC, delivers high efficiency (up to 93%), and is designed with double insulation and 2 x MOPP protection in accordance with IEC/EN 60601 and ANSI/AAMI ES60601 requirements. The unit offers low no-load power consumption (<0.1 W), 4 kVAC isolation, model-dependent anti-vibration resistance (II2~5G), and high EMC performance, making it suitable for equipment requiring certified isolation and low leakage current.

Advantages

The power adapter combines a small footprint with high power density, ensuring reliable 12 V output at up to 90 W while occupying minimal space. Medical safety features include 2 x MOPP, ultra-low leakage current and compliance with EN/UL 60601 standards. Additional benefits are wide input voltage compatibility (80–264 VAC), high efficiency (up to 93%) that reduces heat dissipation, and built-in protection measures such as reinforced insulation and 4 kVAC isolation.

Suitable for

• Medical devices and equipment requiring 2 x MOPP isolation
• Professional and laboratory electronics needing a certified 12 V power source
• Industrial control systems with wide AC input requirements

Key specifications

• Output: 12 V DC, up to 90 W
• Input voltage: 80–264 VAC
• Efficiency: up to 93%
• No-load power consumption: < 0.1 W
• Insulation/isolation: double insulation, 4 kVAC isolation, 2 x MOPP
• Form factor: PCB-mount module, compact dimensions
• Standards: IEC/EN 60601, ANSI/AAMI ES60601 compliant
• Compliance: RoHS

How to use

Mount the MPM-90-12ST on the host PCB following the manufacturer’s recommended footprint and soldering guidelines. Connect the AC input within the specified 80–264 VAC range and route the 12 V DC output to the target circuitry, observing polarity and any filtering or decoupling required by the end device. Ensure adequate ventilation or heatsinking as per system thermal design to maintain rated performance and longevity.

Recommendations

Install the module in equipment that requires medical-grade isolation and follow applicable medical device EMC and safety integration practices. Verify creepage and clearance in the final assembly, use proper grounding where required by local standards, and test leakage current to confirm compliance with applicable EN/UL 60601 limits.