MEAN WELL GST120A20-R7B 120W 20V 6A Desktop Power Supply

Desktop power supply delivering a stable 20V DC output at up to 6A (120W) from a universal 90-264VAC input. The GST120A20-R7B combines high efficiency with a compact, fully enclosed plastic case, making it ideal for powering monitors, industrial terminals, and other DC devices.

Advantages

With an efficiency above 90% and no-load consumption under 0.15W, this unit meets DOE Level VI and ErP Stage 2 standards, reducing energy costs and heat. Comprehensive protections against short circuit, overload, over voltage, and over temperature ensure reliable operation. The wide operating temperature range from -30°C to +70°C and free air convection cooling allow deployment in demanding environments without fan noise.

Suitable for

• Industrial monitors and displays
• Point-of-sale terminals
• Networking equipment requiring 20V DC
• Test and measurement instruments
• Any device with a 2.5x5.5mm barrel jack, center positive

Key specifications

• Output: 20V DC, 6A, 120W
• Input: 90~264VAC, 47~63Hz
• Efficiency: >90%, DOE Level VI / ErP Stage 2
• Connectors: IEC 320-C14 input; 2.5x5.5x11mm barrel plug (R7B) output, center positive
• Protections: Short circuit, overload, over voltage, over temperature
• Operating temperature: -30°C to +70°C
• Cooling: Free air convection
• Ripple & noise: 150mVp-p max
• MTBF: >100K hours
• Safety: UL62368-1, TUV EN62368-1, PSE J62368-1, CCC GB4943, EAC TP TC 004, AS/NZS 62368.1, KC K62368-1, BSMI CNS15598, BIS IS13252

Recommendations

For reliable 20V power in industrial or commercial settings, the GST120A20-R7B offers a robust, energy-efficient solution. Verify your device's connector polarity and dimensions match the R7B barrel plug before ordering.