LRS-350-12 Datasheet

The LRS-350-12 is a single output, enclosed switching power supply designed for various industrial applications. This article aims to provide a summary of the key features, specifications, and applications of the LRS-350-12 power supply as detailed in its datasheet.

Key Features LRS-350-12 Datasheet:

  1. High efficiency: The LRS-350-12 boasts an efficiency of up to 89%, reducing energy consumption and heat generation.
  2. Wide input voltage range: The power supply accepts a broad input voltage range of 85-264VAC, allowing it to function in different regions with varying voltage standards.
  3. Compact size: The LRS-350-12 has a small form factor, making it suitable for applications where space is limited.
  4. Low profile: With a low-profile design, the LRS-350-12 is perfect for integrating into systems with height restrictions.
  5. Cooling: The LRS-350-12 uses free air convection for cooling, eliminating the need for a noisy cooling fan.
  6. Protections: The power supply features multiple protection mechanisms, such as short circuit, overload, overvoltage, and overtemperature protection.


  1. Output voltage: 12VDC
  2. Output current: 0-29A
  3. Output power: 348W
  4. Input voltage range: 85-264VAC or 120-370VDC
  5. Efficiency: Up to 89%
  6. Operating temperature range: -30 to +70°C
  7. Dimensions (LxWxH): 215 x 115 x 30 mm
  8. Safety standards: UL60950-1, TUV EN60950-1, and IEC60950-1
  9. EMC standards: EN55022 (CISPR22) Class B, EN61000-3-2, and EN61000-3-3

Applications: The LRS-350-12 power supply is suitable for a wide range of applications in various industries, including:

  1. Industrial automation
  2. Telecommunications equipment
  3. LED signage and lighting
  4. Test and measurement equipment
  5. Security systems
  6. IT equipment and data centers

Conclusion: The LRS-350-12 is a versatile, high-efficiency power supply that offers a reliable solution for a wide range of industrial applications. With its compact size, low-profile design, and robust protection features, it is an excellent choice for various systems that require a stable and efficient power source. Always refer to the manufacturer’s datasheet for the most accurate and up-to-date information on the LRS-350-12 power supply.

Warranty: The LRS-350-12 power supply typically comes with a manufacturer’s warranty, ensuring the product’s quality and reliability. The warranty period may vary depending on the manufacturer, but it generally covers a specific time frame, such as 3 years, during which the manufacturer guarantees to repair or replace the unit if it experiences any defects or malfunctions due to material or workmanship issues. It is essential to check the warranty details provided by the manufacturer, as specific terms and conditions may apply.

Maintenance: To ensure the longevity and optimal performance of the LRS-350-12 power supply, some maintenance tips should be considered:

  1. Keep the power supply clean: Regularly inspect and clean the power supply to prevent dust and debris accumulation, which can obstruct airflow and lead to overheating.
  2. Maintain proper ventilation: Ensure that the power supply has adequate ventilation to facilitate efficient cooling through free air convection.
  3. Periodic inspection: Regularly check the power supply’s connectors, cables, and components for any signs of wear, damage, or corrosion to address potential issues promptly.
  4. Monitor the operating environment: Keep an eye on the ambient temperature and humidity levels around the power supply to ensure they remain within the specified operating range.
  5. Follow the manufacturer’s guidelines: Always adhere to the recommendations and guidelines provided by the manufacturer for installation, operation, and maintenance.

By following these maintenance tips, users can help extend the lifespan of the LRS-350-12 power supply and maintain its efficiency and reliability throughout its service life.

In conclusion, the LRS-350-12 power supply is a versatile and efficient solution for various industrial applications. With proper care and maintenance, it can offer reliable performance for an extended period. As always, consult the manufacturer’s datasheet for the most accurate and up-to-date information.

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