RPS-300-12-C - Power Supply Mean Well - Free user manual and instructions
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| Product Type | Enclosed AC-DC Power Supply |
| Brand | Mean Well |
| Model | RPS-300-12-C |
| Output Voltage | 12 VDC |
| Output Current | 25 A (max) |
| Total Power | 300 W |
| Input Voltage Range | 100 ~ 240 VAC (full range) |
| Input Frequency | 47 ~ 63 Hz |
| Efficiency | > 85% (typical) |
| Operating Temperature | -20°C ~ +60°C (derating above 45°C) |
| Dimensions (L x W x H) | 215 x 115 x 50 mm (8.46 x 4.53 x 1.97 inches) |
| Weight | 1.1 kg (2.43 lbs) |
| Cooling Method | Free air convection |
| Ingress Protection | IP20 (indoor use only) |
| Protections | Overvoltage, Overload, Short Circuit, Over temperature |
| Safety Standards | UL 60950-1, EN 60950-1, CE |
| Maintenance & Cleaning | Wipe with a dry, lint-free cloth; do not use liquids or solvents |
| Spare Parts / Repairability | Replaceable fuse (internal); for other repairs, contact Mean Well or an authorized service center |
| Warranty | 3 years (refer to Mean Well policy) |
Frequently Asked Questions - RPS-300-12-C Mean Well
How do I connect the input wires to the RPS-300-12-C?
Connect the AC input wires to the terminal block: L (Line), N (Neutral), and FG (Frame Ground). Ensure proper grounding for safety.
What is the output voltage adjustment range?
The output voltage can be adjusted by turning the internal potentiometer. Typical range is 10.8 ~ 13.2 VDC.
Can I use the RPS-300-12-C in a series or parallel configuration?
Yes, series operation is possible (up to two units) with external diodes. Parallel operation is not recommended unless specifically designed for redundant systems.
What is the maximum ambient temperature for full load?
Full load operation is allowed up to 45°C. Above this temperature, derating is required (refer to the derating curve in the manual).
Does the power supply have overvoltage protection?
Yes, it features overvoltage protection (OVP) that shuts down the output if the voltage exceeds approximately 14.5 VDC.
How do I mount the power supply?
Mount the unit on a flat surface using the four mounting holes. Ensure adequate air circulation around the unit for cooling.
What is the recommended input wiring gauge?
For 300W, use 14 AWG (2.5 mm²) for the AC input and 10 AWG (4 mm²) for the DC output for longer distances.
Is the RPS-300-12-C suitable for LED lighting applications?
Yes, it can be used for LED lighting, but ensure the total load does not exceed 300W and that the voltage matches the LED requirements.
How do I clean the power supply?
Disconnect power and wipe the enclosure with a dry, soft cloth. Do not use water, solvents, or compressed air as they may damage internal components.
What certifications does this power supply hold?
The RPS-300-12-C is certified to UL 60950-1, EN 60950-1, and carries the CE mark.
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USER MANUAL RPS-300-12-C Mean Well
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Product information
Brand : Mean Well
Model : RPS-300-12-C
Category : Power Supply