Power Supply Unit Mean Well IRM-30-24

The Mean Well IRM-30-24 is a compact, enclosed switching power supply designed to deliver a stable 24 V DC output with a total rated power of 31.2 W. It accepts a wide AC input voltage range from 85 to 264 V and operates across 47–440 Hz, which makes it compatible with various mains systems worldwide. The unit uses passive cooling and a small footprint (39 mm × 69.5 mm × 24 mm), making it suitable for confined installations where reliable, low-noise power is required. Safety approvals include UL60950-1 and TUV EN60950-1, reflecting compliance with common safety standards for electronic equipment.

Advantages

The device combines wide input voltage tolerance and frequency range with a high MTBF of 593,300 hours, indicating long-term reliability. Its passive cooling design eliminates moving parts and reduces maintenance while lowering audible noise. The small form factor and enclosed construction provide convenient integration into industrial control cabinets, embedded systems, and instrumentation panels. Safety certifications support use in professional and commercial environments where certified components are required.

Suitable for

• Embedded systems and compact industrial controllers
• Instrumentation and measurement equipment
• Control cabinets and automation modules
• Low-noise environments and audio/AV equipment
• Distributed power for small network and communication devices

Key specifications

• Output voltage: 24 V DC
• Total output power: 31.2 W
• AC input range: 85–264 V
• Operating frequency: 47–440 Hz
• Cooling method: passive (convection)
• MTBF: 593,300 hours
• Enclosure type: compact enclosed module
• Dimensions (W × D × H): 39 mm × 69.5 mm × 24 mm
• Safety approvals: UL60950-1, TUV EN60950-1

How to use

Install the power supply in a well-ventilated location that allows natural convection around the enclosure. Connect the AC input to a compatible mains supply within the specified 85–264 V range and observe correct wiring and grounding practices to maintain safety compliance. Connect the DC output to the load ensuring the combined current draw does not exceed the rated power. Verify polarity and use appropriate cabling and fusing where required by the installation. Allow for appropriate creepage and clearance distances when mounting near other components.

Usage recommendations

For optimal longevity, avoid installing the unit in locations with excessive ambient temperatures, dust accumulation, or restricted airflow. Use overcurrent protection on the DC output if the downstream circuitry lacks sufficient protection, and ensure grounding is properly implemented to maintain safety and reduce interference.