1. Introduction
This manual provides essential information for the safe and efficient operation of the MEAN WELL LRS-200-24 Single Output Switchable Power Supply. Please read this manual thoroughly before installation and use, and retain it for future reference.
The LRS-200-24 is a 211.2W, 24V, 8.8A AC to DC power supply designed for various industrial applications.
Image 1: Front view of the MEAN WELL LRS-200-24 power supply, showing the metal enclosure with a honeycomb ventilation pattern and the screw terminal block for connections.
2. Safety Information
Important Safety Instructions:
- Disconnect power before installation or servicing.
- Ensure proper grounding to prevent electric shock.
- Do not operate the unit in environments with excessive moisture or extreme temperatures beyond specified limits.
- Verify input voltage selection switch (115VAC/230VAC) is set correctly before connecting to power. Incorrect setting can cause damage.
- All wiring should comply with local and national electrical codes.
- Do not open the power supply casing; there are no user-serviceable parts inside.
- Ensure adequate ventilation to prevent overheating.
3. Product Features
- Output: 24V DC, 8.8A, 211.2W
- Input Voltage: Selectable by switch (90-132VAC / 180-264VAC)
- Surge Input: Withstands 300VAC surge for 5 seconds
- Efficiency: Up to 89.5%
- Low Profile: 1U design
- Cooling: Free air convection
- Protections: Short circuit, Overload, Over voltage, Over temperature
- Compliance: UL 60950-1
- Vibration Test: Withstands 5G vibration
- Indicator: LED for power on status
4. Setup and Installation
4.1 Unpacking
Carefully remove the power supply from its packaging. Inspect for any visible damage. If damage is found, do not proceed with installation and contact your supplier.
4.2 Mounting
The LRS-200-24 is designed for chassis mounting. Ensure the mounting surface is stable and provides adequate ventilation clearance around the unit. Do not obstruct the ventilation holes.
4.3 Input Voltage Selection
Locate the AC input range selection switch on the side of the unit. Set it to either 115VAC (for 90-132VAC input) or 230VAC (for 180-264VAC input) according to your local mains voltage. Failure to set this switch correctly before connecting power may result in damage to the unit.
4.4 Wiring Connections
Connect the input and output wires to the screw terminal block. Refer to the labels on the unit for correct polarity and connection points.
- Input (AC): Connect Live (L), Neutral (N), and Ground (FG) wires from your AC source.
- Output (DC): Connect the positive (+) and negative (-) wires to your load.
Ensure all connections are secure and properly insulated.
5. Operating Instructions
- After completing all wiring and safety checks, apply AC power to the unit.
- The LED indicator on the unit should illuminate, indicating that the power supply is operational.
- The output voltage is factory set to 24V. A trim potentiometer may be present for minor output voltage adjustments, if required. Refer to specifications for adjustment range.
- Monitor the load to ensure it operates within the specified current and power limits of the LRS-200-24.
6. Maintenance
The MEAN WELL LRS-200-24 power supply is designed for long-term reliability and requires minimal maintenance.
- Cleaning: Periodically inspect the unit for dust accumulation, especially on the ventilation surfaces. Use a soft, dry brush or compressed air to gently clean the exterior. Ensure power is disconnected before cleaning.
- Inspection: Regularly check wiring connections for tightness and signs of wear or damage.
- Environment: Ensure the operating environment remains within the specified temperature and humidity ranges.
Do not attempt to open or repair the unit. Refer all servicing to qualified personnel.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power output, LED off | No AC input power; Incorrect input voltage switch setting; Internal fault. | Check AC power source and connections. Verify input voltage switch is correctly set. If problem persists, discontinue use and contact support. |
| Output voltage unstable or low | Overload condition; Loose output connections; Faulty load. | Reduce load to within specifications. Check output wiring. Test load independently. |
| Unit is hot to touch | Insufficient ventilation; Overload condition; High ambient temperature. | Ensure adequate airflow around the unit. Reduce load. Operate within specified ambient temperature range. |
8. Specifications
| Parameter | Value |
|---|---|
| Model | LRS-200-24 |
| Primary Output Voltage (VDC) | 24V |
| Output Current (A) | 8.8A |
| Maximum Output Power (W) | 211.2W |
| Input Voltage (VAC) | 90 to 132 VAC, 180 to 264 VAC (selectable) |
| Input Frequency | 47 to 63 Hz |
| Maximum Input Current (A) | 4A |
| Efficiency | 89.5% |
| Operating Temperature | Up to 70°C |
| Dimensions | 9.72 x 4.8 x 1.3 inches |
| Weight | 1.3 Pounds |
9. Warranty Information
The MEAN WELL LRS-200-24 power supply comes with a 3-year warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from improper installation, misuse, unauthorized modification, or operation outside of specified environmental and electrical parameters.
For warranty claims, please contact your point of purchase or an authorized MEAN WELL service center with your proof of purchase.
10. Support
For technical assistance, product inquiries, or support, please refer to the official MEAN WELL website or contact your local distributor.
Manufacturer: MEAN WELL
Model Number: LRS-200-24
