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LRS-50 50W Low Profile Enclosed AC-DC Switching Power Supply
LRS-50 is a 50W single-output enclosed AC-DC switching power supply featuring a compact 1U low-profile design, universal 85–264VAC input and multiple DC output voltage options from 3.3V to 48V.
Designed for space-limited industrial and electronic equipment, the LRS-50 uses fanless free-air convection cooling and provides stable DC power with built-in short-circuit, overload and over-voltage protection.
Key Specification Line
50W | 85–264VAC Input | 3.3–48VDC Output | Fanless Cooling | 1U Low Profile | -30°C to +70°C
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Product Detail
The LEYU LRS-50 is a 50W enclosed AC-DC switching power supply designed to convert AC mains power into regulated DC power for industrial and electronic equipment.
With a compact 99 × 82 × 30 mm enclosure, the LRS-50 provides a low-profile solution where installation space is limited. It supports a universal 85–264VAC input range and offers multiple output voltage options, including 3.3V, 5V, 12V, 15V, 24V, 36V and 48V.
The LRS-50 uses free-air convection cooling without a built-in cooling fan, helping provide quiet and low-maintenance operation. It also includes built-in protection against short circuit, overload and over voltage.
LRS-50 at a Glance
Item
Specification
Product Series
LRS Series
Model
LRS-50
Rated Power
50W
Input Voltage
85-264VAC
Output Voltage
3.3V / 5V / 12V / 15V / 24V / 36V / 48V
Cooling
Free-air convection
Design
Low-profile enclosed type
Operating Temperature
-30°C to +70°C
Dimensions
99 × 82 × 30 mm
Warranty
2 years
1. 50W Single Output Design
The LRS-50 provides up to approximately 50W output power, with different output voltage models available for various DC power requirements.2. Wide Universal AC Input
The power supply accepts a wide 85–264VAC input range, making it suitable for different AC mains conditions and international applications.3. Multiple Output Voltage Options
LRS-50 is available in 3.3V, 5V, 12V, 15V, 24V, 36V and 48V output versions.4. Low-Profile 1U Design
The compact 99 × 82 × 30 mm enclosure helps save installation space inside electrical cabinets and equipment.5. Fanless Natural Cooling
The LRS-50 uses free-air convection cooling, eliminating the need for a built-in cooling fan.6. High Efficiency
Depending on the output model, efficiency reaches up to 90%.7. Built-In Protection
The power supply provides protection against:
8. 300VAC Surge Input Capability
The LRS-50 can withstand a 300VAC surge input for 5 seconds under the specified conditions.9. LED Power Indicator
An LED indicator provides a simple visual indication of power operation.10. 100% Full-Load Burn-In
Each unit is subjected to 100% full-load burn-in testing to help verify product reliability before shipment.
LRS-50 Output Voltage ModelsThe LRS-50 series is available in seven output voltage versions to meet different low-voltage DC power requirements.
|
Model |
DC Output |
Rated Current |
Rated Power |
Efficiency |
|
LRS-50-3.3 |
3.3V | 10A | 33W | 80% |
|
LRS-50-5 |
5V | 10A | 50W | 83% |
|
LRS-50-12 |
12V | 4.2A | 50.4W | 86% |
|
LRS-50-15 |
15V | 3.4A | 51W | 86% |
|
LRS-50-24 |
24V | 2.2A | 52.8W | 88% |
|
LRS-50-36 |
36V | 1.45A | 52.2W | 89% |
|
LRS-50-48 |
48V | 1.1A | 52.8W | 90% |
Output Selection
Choose the output voltage according to the DC input requirement of the connected equipment.For example:
For applications requiring a different output voltage, please contact LEYU for technical confirmation.
Technical Specifications
The LRS-50 is designed for stable operation in industrial and electronic equipment where reliable DC power conversion is required.
Protection & ReliabilityShort-Circuit Protection
The power supply incorporates short-circuit protection to help protect the power supply and connected equipment under short-circuit conditions.Overload Protection
When the output load reaches approximately 110–150% of the rated power, the protection function operates in hiccup mode with automatic recovery.Over-Voltage Protection
Built-in over-voltage protection helps protect connected equipment from excessive output voltage.300VAC Surge Protection
The LRS-50 can withstand 300VAC surge input for 5 seconds under specified conditions.Full-Load Burn-In
LEYU performs 100% full-load burn-in testing as part of the production quality-control process.LRS-50 Applications
Industrial Automation
Power supply for industrial control equipment, automation devices and related electrical systems.Control Systems
Provides regulated DC power for control equipment and electrical control systems.LED Equipment
Suitable for DC power requirements in LED-related equipment when the required voltage and power are within the model specifications.Instrumentation
Can be used as a DC power source for electronic instruments and measurement-related equipment.Electronic Equipment
Suitable for electronic equipment requiring a regulated low-voltage DC power source.Electrical Cabinets
The low-profile enclosure helps save internal installation space in electrical cabinets and equipment.
LRS-50 Dimensions and Installation
The LRS-50 features a compact low-profile enclosure measuring:
99 × 82 × 30 mm
Its compact 1U-style design is suitable for applications where installation space inside an electrical cabinet or equipment enclosure is limited.
Dimension Drawing
Installation Notes
- Install the power supply in a suitable location with sufficient air circulation.
- Ensure that the input voltage matches the specified AC input range.
- Select the output voltage according to the requirements of the connected equipment.
- Do not exceed the rated output power and current.
- Follow the applicable electrical installation and safety requirements.
A:The LRS-50 is a 50W enclosed AC-DC switching power supply with a low-profile design and multiple DC output voltage options.
Q:What input voltage does the LRS-50 support?
A:The LRS-50 supports a universal 85–264VAC input range and 120–375VDC input.
Q:What output voltages are available for the LRS-50?
A:The LRS-50 is available with 3.3V, 5V, 12V, 15V, 24V, 36V and 48V DC outputs.
Q:Is the LRS-50 fanless?
A:Yes. The LRS-50 uses free-air convection cooling and does not require a built-in cooling fan.
Q:What is the power rating of the LRS-50?
A:The LRS-50 is a 50W class single-output switching power supply. Depending on the output voltage model, the rated output power ranges from 33W to 52.8W.
Q:What is the size of the LRS-50?
A:The LRS-50 measures approximately 99 × 82 × 30 mm.
Q:What protection functions does the LRS-50 have?
A:The LRS-50 provides short-circuit, overload and over-voltage protection.
Q:What is the operating temperature of the LRS-50?
A:The specified operating temperature range is -30°C to +70°C.
Q:Can the LRS-50 be used for industrial equipment?
A:Yes. The LRS-50 is designed for applications including industrial automation, control systems, instrumentation, electronic equipment and other DC-powered systems where its electrical specifications are suitable.
Q:How do I choose the correct LRS-50 model?
A:Choose the model according to the required DC output voltage and current. For example, equipment requiring 24V DC can use the LRS-50-24, which is rated at 24V / 2.2A.
Q:Does LEYU provide OEM/ODM service?
A:LEYU provides power supply products and supports OEM/ODM requirements. Please contact our sales team for specific customization requirements.
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