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MEAN WELL 45.6W 12V DC Switching Power Supply, PCB Mount, Efficiency 87.5% IRM-45-12
Specifications
| Country of Origin | China |
|---|---|
| Brand | MEAN WELL |
| Power | 45.6W |
| Efficiency | 87.5% |
| Length | 87mm |
| Model | IRM-45-12 |
| Depth | 29.5mm |
| Gross Weight | 230g |
| Width | 52mm |
| Mount Type | PCB |
| 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 | 12V dc |
| SMPS Output Current | 3.8A |
| Minimum Input Voltage | 85V ac |
| EMC Emission | Compliance to EN55022 (CISPR22) Class B, EN61000-3-2,-3 |
Key Features
- Compact size with dimensions 87mm x 52mm x 29.5mm.
- High efficiency of 87.5% ensuring energy saving operation.
- Universal AC input range from 85V to 264V for versatile power environments.
- Includes overvoltage, overload, and short circuit protection features.
- Operates reliably from -30°C to 70°C ambient temperatures.
- Constructed with 94V-0 flame retardant plastic and fully potted for durability and heat dissipation.
- Designed to meet multiple safety standards including UL60950-1 and TUV EN60950-1.
- Suitable for industrial applications such as factory automation and mechanical equipment.
Product Description
MEAN WELL IRM-45-12 is a 45.6W single output encapsulated AC-DC switching power supply designed for PCB mounting. It delivers a 12V DC output voltage with a current capability of 3.8A. Encased in a 94V-0 flame retardant plastic housing and fully potted with silicone, the unit offers vibration resistance up to 5G, dust and moisture protection, and efficient heat dissipation to ensure reliability in demanding industrial environments.
Operating over a wide input voltage range from 85V AC to 264V AC, this power supply supports universal AC input and is cooled by natural convection, eliminating the need for fans. The unit achieves a high efficiency rating of up to 90.5% on some models, with an 87.5% typical efficiency for this variant, reducing power consumption and heat generation.
Featuring built-in protections against overvoltage, overload, and short circuits, the IRM-45-12 ensures safety and longevity in operation. It meets stringent international safety and EMC standards, including UL60950-1, TUV EN60950-1, IEC 62368-1, and EAC TP TC 004, and complies with EMC emission and immunity requirements for industrial-level electromagnetic interference prevention.
This switching power supply is ideally suited for use in handheld electronic devices, factory automation equipment, mechanical systems, and various industrial electrical applications requiring stable and reliable 12V DC power. Its compact size of 87mm length, 52mm width, and 29.5mm depth makes it highly adaptable for PCB integration.
High efficiency and low no-load power consumption below 0.1 W. Class II isolation with excellent EMI filtering for minimized electromagnetic interference. Universal AC input from 85V to 264V to support diverse power sources.
Robust construction with flame retardant materials and silicone potting for durability. Operational temperature range from -30°C to 70°C, suitable for harsh environments. Full load burn-in tested to ensure product reliability.
Suitable for industrial, manufacturing, and automation power applications. Compact and lightweight construction with a weight of 230 grams. Explore more power supplies and switching modules in the Electronics & Electricals category at EnvMart.
Explore more products in our Switching Power Supplies category.
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Frequently Asked Questions
The IRM-45-12 provides a 12V DC output with a maximum current capability of 3.8A.
This switching power supply has a typical efficiency of 87.5%.
It operates reliably within a temperature range of -30°C to 70°C.
The compact size of this model is 87mm in length, 52mm in width, and 29.5mm in depth.
It is approved to meet safety standards including UL60950-1 and TUV EN60950-1.
It includes built-in protections against overvoltage, overload, and short circuits.
The weight of this power supply is 230 grams.
It is designed for PCB mounting.
It is suitable for industrial applications such as factory automation and mechanical equipment.
It is constructed with 94V-0 flame retardant plastic and is fully potted with silicone for durability.
It complies with EMC emission standards EN55022 Class B and EN61000-3-2,-3, as well as immunity requirements for heavy industry levels.
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