Over 15 years experience of providing support of MEAN WELL Power Supplies
Mean Well EPP-400-18 Power Supply 250W 18V
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Description
Description
No load power consumption under 0.5W by PS-ON controlStandby 5V@1A with fan, @ 0.6A without fan
<0.75mA / 240VAC
Key Features
- ✓✓Universal AC input / Full range
- ✓✓Built-in active PFC functionEMI Class B for Class I & Class A for Class II configuration
- ✓✓High efficiency up to 93%
- ✓✓Withstand 300VAC surge input for 6 secondsNo load power consumption<0.5W by PS ON control5"x3" miniature sizeHigh efficiency up to 94%
- ✓✓Protections: Short circuit/Overload/Over voltage/Over temperature
- ✓✓Cooling by free air convection for 250W and 400W with 25 CFM forced airBuilt-in 12V/0.5A FANWith power good and fail signal outputBuilt-in remote sense function
- ✓✓No load power consumption under 0.5W by PS-ON controlStandby 5V@1A with fan, @ 0.6A without fan
- ✓✓LED indicator for power onOutput 18V available
- ✓✓Operating altitude up to 5000 meters
- ✓✓3 years warranty
Specifications
Specifications
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BrandMean Well
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SeriesEPP Series
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Power Rating250.5 Watt
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Output Voltage18 Volt
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Rated Current13.9 Ampere
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Input Voltage80V~264V
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Standards MetCB,CCC,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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Length12.7 cm
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Width7.62 cm
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Height3.5 cm
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Weight0.39 kg
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Payment & Security
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Frequently Asked Questions
Can I use the EPP-400-18 for 18V industrial or embedded equipment?
Yes, if the equipment requires a constant-voltage 18V DC source and the total load stays within 13.9A and 250.5W. It is intended for applications that specifically call for 18V rather than the more common 12V or 24V rails.
Is the EPP-400-18 suitable for 18V production test fixtures or lab setups?
It can be a good fit for test fixtures that need regulated 18V DC with up to 13.9A available. The 80-264VAC input range also helps when the fixture may be used across different AC supply environments.
Can this model power several 18V boards or subsystems from one supply?
Yes, provided all connected loads are 18V constant-voltage devices and their combined demand does not exceed 13.9A or 250.5W. That makes it workable as a centralized 18V source for grouped embedded or industrial subsystems.
Is the EPP-400-18 appropriate for 18V automation accessories or specialty control hardware?
It is appropriate when the accessory or control hardware is specified for 18V DC input and needs no more than 250.5W total. The important fit criteria are the fixed 18V output and the available 13.9A current capacity.
Can the EPP-400-18 be used outside or in difficult thermal conditions?
The thermal rating is -30°C to +70°C, so the product data supports operation across a wide temperature range. No IP rating is listed in the provided specs, so outdoor, dust-tight, or water-resistant use should not be assumed from this information alone.
Other EPP-400 Models
6 other models| Model | Power | Voltage | Current | |
|---|---|---|---|---|
| Mean Well EPP-400-48 Power Supply 254W 48V | 254.4W | 48V | 5.3A | View |
| Mean Well EPP-400-36 Power Supply 252W 36V | 252W | 36V | 7A | View |
| Mean Well EPP-400-27 Power Supply 251W 27V | 251.1W | 27V | 9.3A | View |
| Mean Well EPP-400-24 Power Supply 252W 24V | 252W | 24V | 10.5A | View |
| Mean Well EPP-400-15 Power Supply 250W 15V | 250.5W | 15V | 16.7A | View |
| Mean Well EPP-400-12 Power Supply 250W 12V | 249.6W | 12V | 20.8A | View |
