QP-320F - Power Supply Mean Well - Free user manual and instructions
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| Product Type | AC/DC Power Supply |
| Brand | Mean Well |
| Model | QP-320F |
| Output Power | 320W |
| Number of Outputs | 4 (Quad) |
| Input Voltage Range | 90-264 VAC |
| Input Frequency | 47-63 Hz |
| Output Voltages (Typical) | +5V, +12V, -12V, +24V |
| Output Currents (Max) | +5V@20A, +12V@8A, -12V@0.8A, +24V@5A |
| Efficiency (Typical) | 88% |
| Cooling Method | Built-in DC Fan (Speed Controlled) |
| Protections | Overload, Overvoltage, Short Circuit, Thermal |
| Operating Temperature | -10°C to +60°C |
| Dimensions (L x W x H) | 215 x 115 x 50 mm |
| Weight | 1.0 kg |
| Safety Standards | UL 62368-1, EN 62368-1, CE, RoHS |
| Maintenance | Clean with dry cloth; avoid liquids |
| Spare Parts / Repairability | Not user-serviceable; contact dealer for repairs |
| Features | Adjustable output voltages, remote sense on main output |
| Warranty | 2 years (refer to supplier) |
Frequently Asked Questions - QP-320F Mean Well
What is the input voltage range for the QP-320F?
The input voltage range is 90-264 VAC, with an input frequency of 47-63 Hz.
How do I connect the AC input?
Connect the AC input to the terminal block marked 'AC L' and 'AC N'. Ensure proper grounding via the 'FG' terminal.
What are the output voltages and currents?
Typical outputs: +5V @ 20A, +12V @ 8A, -12V @ 0.8A, +24V @ 5A. Total power should not exceed 320W.
Can I adjust the output voltages?
Yes, each output has a trim potentiometer. Adjust only within specified range; do not exceed maximum ratings.
What protections does this power supply have?
It includes overload, overvoltage, short circuit, and thermal protection. The unit will auto-recover after fault removal.
What is the recommended load for each output?
For best regulation, each output should have a minimum load of 10% of its rated current. The total load must not exceed 320W.
How do I clean the unit?
Disconnect power and use a soft dry cloth to wipe the exterior. Do not use liquids or solvents.
The fan is not spinning. Is that normal?
The fan is temperature-controlled and may stop at low loads. If the unit is hot and fan does not spin, check for obstructions.
What should I do if there is no output?
Check AC input, fuses, and connections. If input is correct and outputs are shorted, protection may be active; remove fault and power cycle.
Is the QP-320F suitable for outdoor use?
No, it is designed for indoor use only. Do not expose to moisture, rain, or direct sunlight.
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USER MANUAL QP-320F Mean Well
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Product information
Brand : Mean Well
Model : QP-320F
Category : Power Supply