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MEAN WELL IRM-45-48ST Switching Power Supply 48V DC 45W Universal AC Input Class II Encapsulated Power Supply IRM-45-48ST
Specifications
| Country of Origin | India |
|---|---|
| Brand | MEAN WELL |
| Power | 45W |
| Efficiency | 90.5% |
| Length | 109mm |
| Model | IRM-45-48ST |
| Depth | 33.5mm |
| Gross Weight | 280g |
| Width | 52mm |
| Mount Type | Chassis |
| Safety Standards | UL60950-1, TUV EN60950-1 approved |
| EMC Immunity | Compliance to EN61000-4-2, 3, 4, 5, 6, 8, 11, EN55024, heavy industry level (surge L-N: 1 kV), criteria A |
| Series | IRM |
| Maximum Operating Temperature | 70°C |
| Minimum Operating Temperature | -30°C |
| Number of outputs | 1 |
| Maximum Input Voltage | 264V ac |
| Maximum Output Voltage | 48V dc |
| SMPS Output Current | 940mA |
| Minimum Input Voltage | 85V ac |
| EMC Emission | Compliance to EN55022 (CISPR22) Class B, EN61000-3-2,-3 |
Key Features
- Constructed with 94V-0 flame retardant plastic case fully potted with silicone for durability.
- Wide AC input voltage range from 85V to 264V for global compatibility.
- High efficiency of up to 90.5%, reducing energy consumption.
- Includes overvoltage, overload, and short circuit protection for operational safety.
- Compact size with chassis mount type, suitable for PCB soldering.
- Operates in temperature range from -30°C up to 70°C.
- Meets international standards including IEC 62368-1 and UL 62368-1 certifications.
- EMC compliance with EN55022 Class B and heavy industry level immunity ensures electromagnetic compatibility.
Product Description
MEAN WELL IRM-45-48ST is a 45W single output switching power supply offering a stable 48V DC output, designed for industrial and electronic applications requiring reliable power solutions.
This power supply is encased in a 94V-0 flame retardant plastic housing fully potted with silicone, providing robust protection against vibration up to 5G and resistance to dust and moisture. The design ensures enhanced heat dissipation and durability suitable for demanding environments.
Supporting a universal AC input voltage from 85V to 264V AC, it allows wide deployment worldwide. The switching power supply achieves high efficiency up to 90.5%, featuring low no-load power consumption under 0.1W to promote energy savings in standby mode.
Safety features include Class II isolation, overvoltage, overload, and short circuit protection. It is cooled by natural free air convection, eliminating the need for a fan and reducing maintenance.
The IRM-45-48ST is compact with dimensions of 109mm length, 52mm width, and 33.5mm depth, and chassis mount type designed for direct soldering onto PCB boards, making it suitable for compact electronic devices and factory automation equipment.
High efficiency up to 90.5% enhances energy savings and performance. Universal AC input covers 85V to 264V for flexible installation globally. Built-in protection features ensure safe and reliable operation. Robust flame retardant and fully potted construction resists vibration and contamination.
Compliance with international safety and EMC standards guarantees quality and regulatory adherence.
This product is ideal for use in handheld electronic devices, industrial electrical systems, mechanical equipment, and factory automation. The power supply supports key industrial requirements including high reliability and low electromagnetic interference, meeting stringent industrial standards.
Available package and product details enable easy integration in electronic manufacturing and equipment servicing environments. Explore more in our Electronics & Electricals category for Power Supply & Distribution solutions suitable for multiple industrial and commercial applications.
Explore more products in our Switching Power Supplies category.
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Frequently Asked Questions
The IRM-45-48ST provides a stable output power of 45W.
This model achieves high efficiency of up to 90.5%.
The dimensions are 109mm in length, 52mm in width, and 33.5mm in depth.
It includes overvoltage, overload, and short circuit protection for operational safety.
It operates within a temperature range of -30°C to 70°C.
It is cooled by natural free air convection, eliminating the need for a fan.
This model is designed for chassis mounting, suitable for direct soldering onto PCB boards.
It meets safety standards including UL60950-1 and TUV EN60950-1.
The maximum output voltage is 48V DC.
The gross weight of this model is 280g.
It is ideal for use in handheld electronic devices, industrial electrical systems, and factory automation.
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