Over 15 years experience of providing support of MEAN WELL Power Supplies
Mean Well IRM-45-5ST Switching Power Supply 40W 5V 8A - Encapsulated
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Description
Description
The IRM-45 is a 45W Mean Well power converter (input range: 85~305VAC, operating temperature: -30~+70℃).
Key Features
- ✓ Input voltage range: 85~305VAC
- ✓ 4KVAC reinforced I/O isolation
- ✓ Wide operating temperature: -30~+70℃
- ✓ Protections: Overload / Over voltage
- ✓ Safety approvals: IEC62368-1, UL6 2368 -1, TUV EN6
- ✓ 3 years warranty
Specifications
Specifications
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BrandMean Well
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SeriesIRM Series
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Power Rating40 Watt
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Output Voltage5 Volt
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Rated Current8 Ampere
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Input Voltage85V~305V
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Standards MetBSMI,CB,CE,EAC,TUV,UL
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Operation ModeConstant Voltage
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Operating Temperature-30°C~70°C
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Warranty3 Year
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Length10.9 cm
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Width5.2 cm
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Height3.35 cm
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Weight0.23 kg
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Frequently Asked Questions
Can I use the IRM-45-5ST for a 5V industrial controller or HMI subassembly?
Yes, if the controller or HMI electronics need constant 5V and draw no more than 8A or 40W, this model is suitable. It is aimed at embedded and industrial electronics that need a higher-current 5V rail from an internal encapsulated supply.
Is the IRM-45-5ST a fit for 5V IT or communications hardware inside a cabinet?
It can be used for 5V IT or communications hardware when the total load remains within the 40W, 8A output rating. The 85-305VAC input makes it adaptable across a wide AC input range for cabinet-mounted equipment.
Can this model power multiple 5V embedded boards from one internal supply?
Yes, it can support multiple 5V embedded boards if their combined demand stays at or below 8A and 40W. That makes it more capable than the smaller IRM-05-5, IRM-10-5, IRM-15-5, or IRM-20-5 models for higher-current 5V assemblies.
Is the IRM-45-5ST suitable for dusty or unheated indoor equipment spaces?
Its specified operating range is -30C to +70C, so it is designed for a wide indoor temperature span in protected equipment. Since no IP rating is provided, it should be installed in an enclosure and not treated as an exposed outdoor power unit.
How does the IRM-45-5ST differ from other IRM-45 series versions?
The IRM-45 range covers 5V, 12V, 15V, 24V, and 48V outputs: 40W at 5V and 8A, 45.6W at 12V and 3.8A, 45W at 15V and 3A, 45.6W at 24V and 1.9A, and 45.12W at 48V and 0.94A. Each has both standard and ST versions, and this IRM-45-5ST is the 109.0 x 52.0 x 33.5 mm screw terminal style 5V model.
