RID-125-2448 - Power Supply Mean Well - Free user manual and instructions
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| Product Type | Dual Output AC/DC Power Supply |
| Brand | Mean Well |
| Model | RID-125-2448 |
| Input Voltage Range | 88-264 VAC |
| Input Frequency | 47-63 Hz |
| Output Voltage 1 | 24 V DC |
| Output Current 1 | 3.2 A |
| Output Voltage 2 | 48 V DC |
| Output Current 2 | 1.0 A |
| Total Output Power | 125 W |
| Efficiency | 86% typical |
| Protections | Short circuit, overload, over voltage |
| Cooling | Free air convection |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Dimensions (W x H x D) | 199 x 110 x 50 mm |
| Weight | 0.66 kg |
| Connections | Screw terminal blocks |
| Certifications | UL, CE, CB approved |
| Maintenance and Cleaning | Disconnect power before cleaning; wipe with dry cloth |
| Spare Parts and Repairability | Designed for professional repair only; replace internal fuses and components as needed |
| General Information | Enclosed metal case for industrial applications |
Frequently Asked Questions - RID-125-2448 Mean Well
What is the input voltage range for the RID-125-2448?
The RID-125-2448 accepts a wide 88-264 VAC input range, making it suitable for worldwide applications. This universal input also covers frequencies of 47-63 Hz.
How do I connect the output wires?
Connect the DC output wires to the screw terminal blocks clearly marked V1, V2, COM and GND. Ensure the polarity is correct and tighten the screws to 0.7 Nm for a secure connection.
Can I use this power supply in parallel or series configuration?
For higher power, two units can be connected in series (with isolation diodes) to obtain double voltage. Parallel operation is not recommended unless a diode OR-ing is used. Refer to the manufacturer guidelines for exact wiring.
What protections are built into this power supply?
It includes short circuit protection, overload protection (135-165% of rated current), and over voltage protection (29-33V for V1, 56-63V for V2). These features protect both the supply and connected loads.
What is the operating temperature range?
The unit can operate in temperatures from -20°C to +60°C at full load. However, when ambient temperature exceeds 50°C, derating of output power is required. In storage, it can survive from -40°C to +85°C.
How should I clean and maintain the unit?
Always disconnect the power supply before cleaning. Wipe the metal enclosure with a dry, soft cloth or an anti-static cleaner. Do not use water or solvents, as they may damage internal components.
Is this power supply suitable for outdoor use?
No, it is rated for indoor use only. The RID-125-2448 is not sealed against moisture or dust. To use it outdoors, install it inside a proper IP-rated enclosure to prevent exposure to rain and condensation.
Are the output voltages adjustable?
Yes, the main output (V1) has a voltage trimming range of ±10% through an internal potentiometer. The secondary output (V2) is fixed. Adjust only while the unit is off and double-check with a multimeter.
What applications is the RID-125-2448 typically used for?
It is ideal for industrial control systems, telecom equipment, security systems, and electronic charging devices that need both 24V and 48V rails simultaneously from a single supply.
What should I do if the power supply stops working?
First, check the input fuse and AC connections. Verify that the load does not exceed the rated power. If the unit still shows no output, measure the output voltage. If needed, contact a qualified service technician or Mean Well distributor for repair.
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USER MANUAL RID-125-2448 Mean Well
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Product information
Brand : Mean Well
Model : RID-125-2448
Category : Power Supply