RPS-45-12 - Cables for Computers and Peripherals Mean Well - Free user manual and instructions
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| Product Type | Switching Power Supply |
| Brand | Mean Well |
| Model | RPS-45-12 |
| Output Voltage | 12V DC |
| Output Current | 3.8A |
| Output Power | 45W |
| Input Voltage Range | 85-264VAC or 120-370VDC |
| Input Frequency | 47-63Hz |
| Efficiency | 84% typical |
| Dimensions | 101.6 x 50.8 x 28.5 mm (4 x 2 x 1.12 inches) |
| Weight | 150g (approximately) |
| Cooling Method | Free air convection |
| Protections | Short circuit, overload, overvoltage, over temperature |
| Operating Temperature | -20°C to +70°C (with derating) |
| Storage Temperature | -40°C to +85°C |
| Humidity | 20-90% RH, non-condensing |
| LED Indicator | Green power-on indicator |
| Certifications | UL, CB, CE, RoHS |
| Mounting | Chassis mount with screw holes |
| Connectors | Terminal block input/output |
| Maintenance | Clean dust periodically and ensure unobstructed airflow |
| Repairability | No user-serviceable parts; replace unit or contact dealer |
Frequently Asked Questions - RPS-45-12 Mean Well
What is the output voltage and current of the RPS-45-12?
The output voltage is 12V DC and the output current is 3.8A, providing a total output power of 45W.
What is the input voltage range for this power supply?
It accepts a universal input of 85-264VAC or 120-370VDC, making it suitable for use in most countries.
Does the RPS-45-12 have short circuit protection?
Yes, it includes short circuit protection, as well as overload, overvoltage, and over temperature protections.
Can I mount this power supply in any orientation?
The unit is designed for free air convection cooling. For optimal performance, it should be mounted with sufficient clearance around it to allow airflow.
What is the operating temperature range?
The operating temperature range is -20°C to +70°C, but note that output power may need to be derated at higher temperatures.
Is the RPS-45-12 suitable for LED lighting applications?
While it is a general-purpose power supply, the 12V output and protection features make it suitable for many LED lighting setups, provided the total wattage stays within 45W.
How do I connect the input and output wires?
Use the terminal block connectors. Ensure correct polarity and tighten the screws securely. Check the label on the unit for pin assignments.
Can I connect two units in series to get higher voltage?
For higher voltage applications, you can connect units in series, but only if the combined voltage does not exceed the isolation rating. Consult the manual for safe operation.
How should I clean and maintain the power supply?
Regularly remove dust with a dry cloth or soft brush. Ensure no moisture enters and that ventilation slots are not obstructed for proper cooling.
What warranty does Mean Well provide for this product?
Mean Well offers a limited warranty, typically 3 years from the date of purchase, covering manufacturing defects. Registration may be required.
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USER MANUAL RPS-45-12 Mean Well
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Product information
Brand : Mean Well
Model : RPS-45-12
Category : Cables for Computers and Peripherals