MEAN WELL GSM40A12-P1J 40W 12V 3.34A Medical Desktop Power Supply with 2.1x5.5mm DC Plug

Medical devices demand power that is not only stable but also safe for patient and operator alike. The MEAN WELL GSM40A12-P1J answers this call with a medically certified 40-watt desktop adapter that delivers a clean 12V DC output at up to 3.34A, ensuring your sensitive equipment runs without interruption or risk.

Who is it for

This power supply is engineered for medical and laboratory environments where IEC/EN/ANSI/AAMI ES60601-1 compliance is non-negotiable. It suits patient monitors, diagnostic instruments, portable medical carts, and any 12V device requiring a reliable, low-leakage power source.

Main features

• Medical safety certification: IEC/EN/ANSI/AAMI ES60601-1 (3rd Edition) with Class I isolation and leakage current below 100µA.
• Universal AC input: accepts 80–264VAC, making it usable worldwide without switches or adjustments.
• High efficiency: up to 88% conversion efficiency and Level VI energy rating reduce heat and energy costs.
• Comprehensive protection: built-in safeguards against short circuit, overload, over voltage, and over temperature.
• Standard DC output connector: 2.1 x 5.5 x 11mm barrel plug fits a wide range of medical and industrial devices.
• Wide operating temperature: functions reliably from -30°C to +70°C with free air convection cooling.
• Long service life: MTBF exceeds 500,000 hours, backed by MEAN WELL's proven quality.

Specifications

• Output voltage: 12V DC
• Output current: 3.34A
• Output power: 40.08W
• Input voltage range: 80 ~ 264VAC
• Efficiency: up to 88%
• Ripple & noise: 120mVp-p
• No load power consumption: <0.1W
• Leakage current: <100µA (Class I)
• Isolation class: Class I
• Form factor: Desktop type
• Input connector: IEC320-C14
• Output connector: DC plug 2.1 x 5.5 x 11mm
• Protection: short circuit, overload, over voltage, over temperature
• Operating temperature: -30 ~ +70°C
• Cooling: free air convection
• MTBF: >500,000 hours
• Energy efficiency level: Level VI

Tips

Before connecting, verify that your device accepts a 12V DC input and that the barrel plug dimensions (2.1mm inner, 5.5mm outer) match. For medical applications, always ensure the entire system meets the required safety standards. Keep the adapter in a well-ventilated area to maintain optimal cooling and longevity.