Over 15 years experience of providing support of MEAN WELL Power Supplies
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Mean Well EPS-45S-5 Power Supply 40W 5V
The EPS-45S is a 45W Mean Well power converter (input range: 80~264VAC).
Key Features
- ✓ Input voltage range: 80~264VAC
- ✓ 3KVAC reinforced I/O isolation
- ✓ Cooling by free air convection
- ✓ Protections: Short circuit / Overload / Over voltage
- ✓ Safety approvals: ISOLATION LEVEL
- ✓ 3 years warranty
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BrandMean Well
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SeriesEPS 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 Voltage80V~264V
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No of Output1
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Dimming ControlNone
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Standards MetCB,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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Length3 in
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Width2 in
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Height0.94 in
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Weight0.24 lb
::specification::
Frequently Asked Questions
Can I use the EPS-45S-5 for a 5V industrial controller or embedded processor?
Yes, if the controller requires constant 5V DC and the total load stays within 8A and 40W. That makes it suitable for many 5V embedded processors, logic boards, and industrial control electronics.
Is the EPS-45S-5 a good choice for powering 5V HMI or operator interface electronics?
It can be, as long as the HMI electronics are designed for 5V constant voltage input and do not exceed 40W. With up to 8A available, it supports higher-current 5V electronics better than lower-power 5V models in the same family.
Would this 5V supply work for industrial USB-style electronics or gateway hardware inside a control enclosure?
Yes, when the hardware runs from a regulated 5V DC source and stays within 8A. Its 76.2 x 50.8 x 24.0 mm size also makes it practical for compact enclosure-mounted electronics.
Can the EPS-45S-5 power 5V testing, monitoring, or automation support circuits?
It is a fit for 5V constant voltage support circuits that need up to 40W of available output. That includes many monitoring, test, and automation electronics used as internal low-voltage subsystems.
Is the EPS-45S-5 suitable for outdoor applications or exposed equipment cabinets?
No IP rating is listed in the provided specs, so this model is better suited to protected indoor enclosures than directly exposed locations. Its operating temperature range is -30°C to +70°C, but that does not replace a stated IP rating.
How does the EPS-45S-5 compare with the other EPS-45S models?
The EPS-45S range includes EPS-45S-3.3 at 26.4W, 3.3V, 8A; EPS-45S-5 at 40W, 5V, 8A; EPS-45S-7.5 at 40.5W, 7.5V, 5.4A; EPS-45S-12 at 45.6W, 12V, 3.8A; EPS-45S-15 at 45W, 15V, 3A; EPS-45S-24 at 45.6W, 24V, 1.9A; and EPS-45S-48 at 45.1W, 48V, 0.94A. This version keeps the same 8A current rating as the EPS-45S-3.3, but at a higher 5V output and 40W power level.
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Other EPS-45S Models
6 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well EPS-45S-7.5 Power Supply 40W 7.5V | 40.5W | 7.5V | 5.4A | Indoor | $15.69 | View |
| Mean Well EPS-45S-48 Power Supply 45W 48V | 45.1W | 48V | 0.94A | Indoor | $15.69 | View |
| Mean Well EPS-45S-3.3 Power Supply 26W 3.3V | 26.4W | 3.3V | 8A | Indoor | $15.69 | View |
| Mean Well EPS-45S-24 Power Supply 45W 24V | 45.6W | 24V | 1.9A | Indoor | $15.69 | View |
| Mean Well EPS-45S-15 Power Supply 45W 15V | 45W | 15V | 3A | Indoor | $15.69 | View |
| Mean Well EPS-45S-12 Power Supply 45W 12V | 45.6W | 12V | 3.8A | Indoor | $15.69 | View |
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