MEAN WELL IRM-20-5 20W 5V 4A Encapsulated AC-DC Power Supply Module, Black

Compact encapsulated AC-DC power supply module delivering 20 W at 5 V DC with 4 A output current. Its fully sealed, PCB-mount design ensures reliable operation in demanding industrial and ITE environments. With universal 85–264 V AC input and compliance to UL/EN/IEC 62368-1, this unit is a robust choice for embedded systems, automation, and space-constrained applications.

Advantages

The IRM-20-5 combines high efficiency up to 85% with a no-load power consumption below 0.075 W, meeting energy-saving requirements. Integrated protections against short circuit, overload, and overvoltage safeguard both the power supply and connected loads. The encapsulated housing provides excellent resistance to dust, moisture, and vibration, while the wide operating temperature range from -30 °C to +70 °C supports use in harsh conditions.

Suitable for

• Industrial control systems and sensors
• Telecommunication equipment
• Test and measurement instruments
• LED lighting and displays
• IoT devices and embedded electronics

Key specifications

• Output power: 20 W
• Output voltage: 5 V DC
• Output current: 4 A
• Input voltage: 85–264 V AC / 120–370 V DC
• Efficiency: up to 85%
• Isolation voltage: 3 kV AC (input to output)
• Ripple & noise: 80 mVp-p
• Operating temperature: -30 °C to +70 °C
• Safety standards: UL 62368-1, EN 62368-1, IEC 62368-1
• Protection features: short circuit, overload, overvoltage
• Mounting type: PCB mount / encapsulated module
• Colour: black

Recommendations

For reliable 5 V DC power in compact designs, the IRM-20-5 offers a proven solution with global safety certifications and long service life (MTBF >1,000,000 hours). Ensure adequate ventilation or derating when operating at elevated ambient temperatures.