1. Киришүү
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.
Негизги өзгөчөлүктөр төмөнкүлөрдү камтыйт:
- Universal AC input / Full range (85~264VAC)
- Withstands 300VAC surge input for 5 seconds
- No load power consumption less than 0.2W
- Миниатюралык өлчөмү жана 1U төмөн проfile дизайн
- 70 ° C чейин жогорку иш температурасы
- Коргоо: кыска туташуу, ашыкча жүктөө, ашыкча томtage
- Эркин аба конвекциясы менен муздатуу
- Compliance with IEC/EN 60335-1(PD3) and IEC/EN61558-1, -2-16 for household appliances
- Иштетүү бийиктиги 5000 метрге чейин
- Withstands 5G vibration test
- Жогорку натыйжалуулук, узак өмүр жана жогорку ишенимдүүлүк
- Күйгүзүү үчүн LED көрсөткүч
- 100% толук жүктөө күйгүзүү сыноо

Figure 1: ашыкview of MEAN WELL LRS-50-24 features and applications.
2. Коопсуздук маалыматы
Please read this section carefully before installation and operation to ensure safe use and prevent damage to the unit or connected equipment.
- Электр коопсуздугу: Installation should be performed by qualified personnel. Ensure all wiring complies with local and national electrical codes.
- Киргизүү көлөмүtage: AC киргизүү көлөмүн текшериңизtage is within the specified range of 85-264VAC before connecting the power supply.
- Негиздөө: Always connect the Frame Ground (FG) terminal to a proper earth ground to prevent electric shock.
- Вентиляция: Ensure adequate free air convection around the unit. Do not obstruct ventilation holes. Maintain sufficient clearance from other components to prevent overheating.
- Ашыкча жүктөн коргоо: Do not exceed the rated output power of 50W. Overloading can cause the unit to shut down or be damaged.
- Экологиялык шарттар: Operate the power supply within the specified temperature and humidity ranges. Avoid exposure to moisture, dust, and corrosive substances.
3. Продукт бүтүп калдыview
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.

2-сүрөт: Жалпы view of the MEAN WELL LRS-50-24 power supply.
4. Орнотуу жана зымдар
Follow these steps for proper installation and wiring of the LRS-50-24 power supply:
- Монтаждоо: Mount the power supply in a location that allows for adequate free air circulation. Ensure the unit is securely fastened.
- Киргизүү зымдары: 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.
- Чыгуу зымдары: 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.
- Тtage Тууралоо: 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.
- Акыркы текшерүү: Before applying power, double-check all connections for tightness and correct polarity.

Сүрөт 3: Жакын пландан view of the terminal block and labels for wiring connections.
5. Операция
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:
- Кыска туташуулардан коргоо: The unit will protect against short circuits at the output.
- Ашыкча жүктөн коргоо: If the output current exceeds the rated limit, the unit will enter protection mode.
- Voltage Коргоо: Protects connected devices from excessive output voltage.
In case of an issue, consider the following troubleshooting steps:
- No Output / LED Off: AC киргизүү көлөмүн текшериңизtage 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.
- Туура эмес чыгаруу томtage: Check the '+V ADJ' potentiometer setting. If still incorrect, verify the load is within specifications.
- Ашыкча ысып кетүү: 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. Техникалык шарттар
Detailed specifications for the MEAN WELL LRS-50-24 power supply:
| Параметр | Спецификация |
|---|---|
| Модел | LRS-50-24 |
| Output Voltage | 24V DC |
| Номиналдуу ток | 2.2A |
| Номиналдуу кубаттуулук | 50 Вт |
| Тtage Adjustment Range | 21.6 ~ 28.8V |
| Киргизүү көлөмүtage Диапазон | 85 ~ 264VAC, 120 ~ 373VDC |
| Жыштык диапазону | 47 ~ 63Hz |
| Натыйжалуулук (тип.) | 88% |
| Иштөө температурасы | -30 ~ + 70 ° C |
| Сактоо температурасы | -40 ~ + 85 ° C |
| Иштөө нымдуулугу | 20 ~ 90% RH конденсатсыз |
| Вибрация | 10 ~ 500Hz, 5G 10min/1cycle |
| Коопсуздук стандарттары | UL60950-1, TUV EN60950-1, EN60335-1, EN61558-1/-2-16, CCC GB4943 approved |
| Туруктуу Voltage | I/P-O/P:3.75KVAC, I/P-FG:2KVAC, O/P-FG:1.25KVAC |
| Өлчөмдөрү (L x W x Y) | х 99mm 82 х 30 (3.9 х 3.23 х 1.18 дюйм) |
| Элемент Салмагы | 0.23 кг (0.48 фунт) |
| Муздатуу ыкмасы | Эркин аба конвекциясы |

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. Блок схема
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. Кепилдик жана колдоо
MEAN WELL LRS-50-24 кубат булагы төмөнкүлөр менен келет: 3 жылдык кепилдик сатып алынган күндөн тартып, нормалдуу пайдаланууда материалдардын жана жасалгалоонун кемчиликтерин жабуу.
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.