AC/DC power module Mean Well IRM-90-24ST 24 V DC 3.75 A 99 W, enclosed

Mean Well IRM-90-24ST is an enclosed AC/DC power module that provides a regulated 24 V DC output at up to 3.75 A (99 W). Engineered for industrial and embedded systems, this sealed module features a compact housing and integrated protection functions to ensure steady DC power for control equipment, instrumentation, and communication devices requiring a reliable 24 V supply.

Advantages

The module delivers stable regulated output voltage with low ripple and tight regulation across the rated load range. Its enclosed construction offers mechanical protection and helps reduce interference from external contaminants, while built-in protection mechanisms guard against common electrical faults. Compact dimensions and a standardized mounting footprint make integration into existing systems straightforward.

Suitable for

• Industrial control panels and PLC systems
• Instrumentation and measurement equipment
• Communication and network devices requiring 24 V DC
• Embedded systems, automation modules, and OEM applications

Key specifications

• Output voltage: 24 V DC
• Maximum output current: 3.75 A
• Maximum output power: 99 W
• Enclosed (sealed) module housing for protection
• Regulated output with low ripple and stable load regulation
• Integrated protection features for safe operation under fault conditions
• Designed for industrial and embedded applications with compact form factor

How to use

Install the module according to the system layout and mounting provisions, ensuring secure mechanical fixation and adequate ventilation if required by the enclosure. Connect the AC input and the 24 V DC output following polarity markings and wiring guidelines; use appropriately sized conductors and observe local electrical codes. Verify input voltage range compatibility before powering the unit, and perform initial checks at no-load and full-load conditions to confirm stable output and proper operation.

Recommendations

Place the module away from direct heat sources and moisture, and ensure sufficient clearance for airflow and service access. Use suitable fuses or circuit protection on both the AC input and the DC output where applicable, and follow manufacturer guidance for grounding and EMC mitigation when integrating into sensitive equipment.