Power adapter MEAN WELL GSM120A12-R7B 120W 12V 80-264V

The MEAN WELL GSM120A12-R7B is an AC‑DC medical desktop adapter providing 12 V DC output at up to 8.5 A (120 W). It accepts a wide AC input range of 80–264 V and uses an AC 3‑pole IEC inlet. The adapter meets EN60601 medical standard requirements with 2×MOPP isolation and is RoHS compliant. Its compact dimensions (67 × 167 × 35 mm) suit desktop and equipment-mounted applications.

Advantages

The adapter delivers stable 12 V output at 8.5 A with built‑in medical‑grade isolation (2×MOPP) for patient‑connected equipment. Wide input voltage range (80–264 V) allows global use without additional converters. The compact desktop form factor and standard 3‑pole IEC inlet enable easy installation and replacement in medical and professional systems. RoHS compliance ensures reduced hazardous substances.

Suitable for

• Medical devices requiring 12 V DC with medical isolation
• Clinical desktop equipment and monitors
• Laboratory instruments and diagnostic systems
• Replacement power supply for compatible equipment

Key specifications

• Model: MEAN WELL GSM120A12-R7B
• Output: 12 V DC, 8.5 A (120 W)
• Input: 80–264 V AC, AC 3‑pole IEC inlet
• Medical safety: EN60601 compliant, 2×MOPP
• Dimensions: 67 mm × 167 mm × 35 mm
• Standards: RoHS compliant

How to use

Connect the adapter to mains power using a compatible 3‑pole IEC mains cable and plug the DC output connector into the device requiring 12 V DC. Verify device polarity and secure connections before powering on. Ensure the adapter is used on a stable, ventilated surface and within the specified input voltage range. Follow the device manufacturer’s instructions for any additional grounding or safety procedures.

Recommendations

Use the MEAN WELL GSM120A12-R7B only with equipment rated for 12 V DC and up to 8.5 A. Maintain adequate ventilation around the adapter, avoid exposure to liquids, and replace the adapter if damaged. For medical applications, follow facility protocols and equipment manuals to ensure continued compliance with EN60601 requirements.