1. Giriş
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.
Temel özellikler şunlardır:
- Universal AC input / Full range (85~264VAC)
- Withstands 300VAC surge input for 5 seconds
- No load power consumption less than 0.2W
- Minyatür boyut ve 1U düşük profile tasarım
- 70°C'ye kadar yüksek çalışma sıcaklığı
- Korumalar: Kısa devre, Aşırı yük, Aşırı hacimtage
- Serbest hava konveksiyonuyla soğutma
- Compliance with IEC/EN 60335-1(PD3) and IEC/EN61558-1, -2-16 for household appliances
- 5000 metreye kadar çalışma yüksekliği
- Withstands 5G vibration test
- Yüksek verimlilik, uzun ömür ve yüksek güvenilirlik
- Güç açıkken LED göstergesi
- %100 tam yük yanma testi

Şekil 1: Üzeriview of MEAN WELL LRS-50-24 features and applications.
2. Güvenlik Bilgileri
Please read this section carefully before installation and operation to ensure safe use and prevent damage to the unit or connected equipment.
- Elektriksel Güvenlik: Installation should be performed by qualified personnel. Ensure all wiring complies with local and national electrical codes.
- Giriş Voltage: AC giriş hacminin doğru olduğunu doğrulayın.tage is within the specified range of 85-264VAC before connecting the power supply.
- Topraklama: Always connect the Frame Ground (FG) terminal to a proper earth ground to prevent electric shock.
- Havalandırma: Ensure adequate free air convection around the unit. Do not obstruct ventilation holes. Maintain sufficient clearance from other components to prevent overheating.
- Aşırı Yük Koruması: Do not exceed the rated output power of 50W. Overloading can cause the unit to shut down or be damaged.
- Çevresel Koşullar: Operate the power supply within the specified temperature and humidity ranges. Avoid exposure to moisture, dust, and corrosive substances.
3. Ürün Bittiview
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.

Şekil 2: Genel view of the MEAN WELL LRS-50-24 power supply.
4. Kurulum ve Kablolama
Follow these steps for proper installation and wiring of the LRS-50-24 power supply:
- Montaj: Mount the power supply in a location that allows for adequate free air circulation. Ensure the unit is securely fastened.
- Giriş Kablolaması: 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.
- Çıkış Kablolaması: 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.
- Cilttage Ayarlama: 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.
- Son Kontrol: Gücü vermeden önce, tüm bağlantıların sıkı olduğundan ve kutuplarının doğru olduğundan emin olun.

Şekil 3: Yakın çekim 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:
- Kısa Devre Koruması: The unit will protect against short circuits at the output.
- Aşırı Yük Koruması: If the output current exceeds the rated limit, the unit will enter protection mode.
- Aşırı Hacimtage Koruma: Protects connected devices from excessive output voltage.
In case of an issue, consider the following troubleshooting steps:
- No Output / LED Off: AC giriş hacmini kontrol edintage and ensure all input connections are secure. Verify the input fuse (if external) is intact.
- Intermittent Output: This may indicate an overload condition. Reduce the load connected to the power supply.
- Yanlış Çıkış Voltage: Check the '+V ADJ' potentiometer setting. If still incorrect, verify the load is within specifications.
- Aşırı Isınma: 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. Teknik Özellikler
Detailed specifications for the MEAN WELL LRS-50-24 power supply:
| Parametre | Şartname |
|---|---|
| Örnek | LRS-50-24 |
| Çıkış Hacmitage | 24V doğru akım |
| Anma Akımı | 2.2A |
| Anma Gücü | 50W |
| Cilttage Ayar Aralığı | 21.6 ~ 28.8V |
| Giriş Voltage Aralık | 85~264VAC, 120~373VDC |
| Frekans Aralığı | 47 ~ 63Hz |
| Verimlilik (Tip.) | %88 |
| Çalışma Sıcaklığı | -30 ile + 70 ° C |
| Depolama Sıcaklığı | -40 ile + 85 ° C |
| Çalışma Nemi | 20 ~ 90% RH yoğunlaşmamış |
| Titreşim | 10 ~ 500Hz, 5G 10min/1cycle |
| Güvenlik Standartları | UL60950-1, TUV EN60950-1, EN60335-1, EN61558-1/-2-16, CCC GB4943 approved |
| Vol'e Dayanıklıtage | I/PO/P:3.75KVAC, I/P-FG:2KVAC, O/P-FG:1.25KVAC |
| Boyutlar (U x G x Y) | 99 x 82 x 30mm (3.9 x 3.23 x 1.18 inç) |
| Ürün Ağırlığı | 0.23 kg (0.48 lbs) |
| Soğutma Yöntemi | Serbest hava konveksiyonu |

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. Blok Diyagramı
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 ve Destek
The MEAN WELL LRS-50-24 power supply comes with a 3 yıllık garanti Satın alma tarihinden itibaren, normal kullanım koşullarında malzeme ve işçilik kusurlarını kapsar.
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.







