EPP-400-12 - Power Supply Mean Well - Free user manual and instructions
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| Product Type | AC/DC Power Supply |
| Model | EPP-400-12 |
| Brand | Mean Well |
| Output Voltage | 12V DC |
| Output Current | 33.3A |
| Output Power | 400W |
| Input Voltage Range | 90-264VAC |
| Input Frequency | 47-63Hz |
| Efficiency | Up to 92% |
| Dimensions (L x W x H) | 215 x 115 x 30 mm |
| Weight | 1.1 kg |
| Cooling Method | Convection cooled |
| Protections | Overload, overvoltage, short circuit, over temperature |
| Operating Temperature | -30 to +70°C |
| Safety Certifications | UL, CUL, TUV, CB, CE |
| MTBF | ≥500,000 hours |
| Warranty | 3 years |
| Maintenance | Clean external surface with dry cloth; do not use liquids |
| Repairability | Professional repair only; no user-serviceable parts inside |
| Spare Parts Availability | Contact Mean Well distributor for replacement units |
Frequently Asked Questions - EPP-400-12 Mean Well
What is the output voltage of the EPP-400-12?
The output voltage is a fixed 12V DC, capable of delivering up to 33.3A (400W).
Can I use this power supply outdoors?
It is designed for indoor use only. If outdoor use is required, it must be placed in a weatherproof enclosure.
Does the EPP-400-12 have built-in overvoltage protection?
Yes, it includes protections against overvoltage, overload, short circuit, and overtemperature.
What input voltage does the EPP-400-12 accept?
It accepts a universal AC input from 90 to 264 VAC, with a frequency range of 47 to 63 Hz.
Is the EPP-400-12 fanless?
Yes, it uses convection cooling, making it fanless and suitable for silent operation.
What are the dimensions of this power supply?
The dimensions are 215 mm in length, 115 mm in width, and 30 mm in height.
How do I connect the input and output wires?
Use the screw terminals provided. Ensure proper wire gauge (≥14 AWG recommended for output) and tighten securely.
Can I use the EPP-400-12 to power LED strips?
Yes, it can power 12V LED strips, but ensure the total current does not exceed 33.3A.
What certifications does this power supply have?
It is certified for UL, CUL, TUV, CB, and CE standards, ensuring safety and reliability.
What should I do if the output voltage is incorrect?
Check the input voltage and connections. If the issue persists, contact Mean Well support as the unit may be defective.
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