MEAN WELL LRS-50-24 Power Supply User Manual

1. Entwodiksyon

The MEAN WELL LRS-50-24 is a 50W single-output enclosed type power supply designed with a low profile of 30mm. It accepts a full range AC input from 85V to 264V. This model specifically provides a 24V DC output.

Karakteristik kle yo enkli:

• Universal AC input / Full range (85~264VAC)
• Withstands 300VAC surge input for 5 seconds
• No load power consumption less than 0.2W
• Tipòtrè gwosè ak 1U ba profile konsepsyon
• Segondè tanperati opere jiska 70 ° C
• Pwoteksyon: Kout sikwi, Surcharge, Plis pase voltage
• Refwadisman pa konveksyon lè gratis
• Compliance with IEC/EN 60335-1(PD3) and IEC/EN61558-1, -2-16 for household appliances
• Operasyon altitid jiska 5000 mèt
• Withstands 5G vibration test
• Segondè efikasite, lavi long, ak segondè fyab
• Endikatè ki ap dirije pou pouvwa sou
• 100% chaj plen tès boule-an

Figi 1: Plis paseview of MEAN WELL LRS-50-24 features and applications.

2. Enfòmasyon sou Sekirite

Please read this section carefully before installation and operation to ensure safe use and prevent damage to the unit or connected equipment.

• Sekirite elektrik: Installation should be performed by qualified personnel. Ensure all wiring complies with local and national electrical codes.
• Antre Voltage: Verifye ke D' AC voltage is within the specified range of 85-264VAC before connecting the power supply.
• Atè: Always connect the Frame Ground (FG) terminal to a proper earth ground to prevent electric shock.
• Vantilasyon: Ensure adequate free air convection around the unit. Do not obstruct ventilation holes. Maintain sufficient clearance from other components to prevent overheating.
• Pwoteksyon Surcharge: Do not exceed the rated output power of 50W. Overloading can cause the unit to shut down or be damaged.
• Kondisyon anviwònman: Operate the power supply within the specified temperature and humidity ranges. Avoid exposure to moisture, dust, and corrosive substances.

3. Pwodwi souview

The LRS-50-24 power supply features a compact, enclosed metal case with a perforated design for heat dissipation. It includes a terminal block for secure wiring connections and an LED indicator for operational status.

Figi 2: Jeneral view of the MEAN WELL LRS-50-24 power supply.

4. Enstalasyon ak fil elektrik

Follow these steps for proper installation and wiring of the LRS-50-24 power supply:

1. Montaj: Mount the power supply in a location that allows for adequate free air circulation. Ensure the unit is securely fastened.
2. Fil elektrik Antre: Connect the AC input wires to the terminal block. The terminals are typically labeled 'L' (Line), 'N' (Neutral), and 'FG' (Frame Ground). Ensure correct polarity and a secure ground connection.
3. Fil elektrik Sòti: Connect the DC output wires to the terminal block. The terminals are typically labeled '+V' (Positive Output) and '-V' (Negative Output). Ensure correct polarity for your connected device.
4. Voltage Ajisteman: If necessary, the output voltage can be finely adjusted using the '+V ADJ' potentiometer located near the output terminals. Use a small screwdriver for this adjustment.
5. Tcheke final la: Before applying power, double-check all connections for tightness and correct polarity.

Figi 3: Close-up view of the terminal block and labels for wiring connections.

5. Operasyon

Once properly installed and wired, apply AC power to the unit. The built-in LED indicator will illuminate, signifying that the power supply is operational and providing output voltage. The unit is designed for continuous operation within its specified parameters.

6. Protections and Troubleshooting

The LRS-50-24 power supply incorporates several protection mechanisms:

• Pwoteksyon Kout Awondisman: The unit will protect against short circuits at the output.
• Pwoteksyon Surcharge: If the output current exceeds the rated limit, the unit will enter protection mode.
• Plis pase Voltage Pwoteksyon: Pwoteje aparèy ki konekte yo kont twòp volim pwodiksyontage.

In case of an issue, consider the following troubleshooting steps:

• No Output / LED Off: Tcheke AC opinyon voltage and ensure all input connections are secure. Verify the input fuse (if external) is intact.
• Sòti tanzantan: This may indicate an overload condition. Reduce the load connected to the power supply.
• Volim Sòti ki Pa Kòrèktage: Check the '+V ADJ' potentiometer setting. If still incorrect, verify the load is within specifications.
• Surchof: Ensure proper ventilation and ambient temperature are within the specified range. Remove any obstructions to airflow.

If problems persist after performing these checks, discontinue use and contact technical support.

7. Espesifikasyon teknik

Detailed specifications for the MEAN WELL LRS-50-24 power supply:

Figure 4: Detailed specifications table for the LRS-50 series, including LRS-50-24.

8. Performance Characteristics and Block Diagram

Understanding the performance characteristics and internal block diagram can aid in system design and troubleshooting.

8.1. Dyagram blòk

The block diagram illustrates the internal architecture of the power supply, showing the main functional stages from AC input to DC output.

8.2. Derating Curve

The derating curve indicates the maximum permissible output load as a function of ambient temperature. Operating within the specified curve ensures optimal performance and longevity.

8.3. Static Characteristics

The static characteristics graph shows the relationship between input voltage and output load, demonstrating the power supply's stability across its operating range.

Figure 5: Block diagram, derating curve, and static characteristics for the LRS-50 series.

9. Garanti ak sipò

The MEAN WELL LRS-50-24 power supply comes with a 3-ane garanti apati dat acha a, ki kouvri domaj nan materyèl ak nan atizan konn fè anba itilizasyon nòmal.

For technical support, warranty claims, or further assistance, please contact your authorized MEAN WELL distributor or the manufacturer directly. Provide your product model number (LRS-50-24) and purchase details when seeking support.