LRS-75-12 Meanwell SMPS – 12V – 6A 72W Reliability

Overview of LRS-75-12 Meanwell SMPS

The LRS-75-12 is a switching-mode power supply (SMPS) manufactured by Mean Well. It’s designed to provide a stable and regulated 12-volt DC output with a maximum output power of 72 watts. This power supply is part of the LRS series, known for its reliability, efficiency, and compact design. It is commonly used in various electronic applications where a robust and efficient power supply solution is required.

Features of LRS-75-12 Meanwell SMPS

• Stable and regulated 12-volt DC output
• Maximum output power of 72 watts
• High efficiency and reliability
• Compact and lightweight design
• Suitable for a wide range of electronic applications
• Overload, overvoltage, and short circuit protections
• Built-in cooling fan for efficient heat dissipation
• Compliance with safety standards and regulations

Specifications:

Protections:

• Overload Protection:
  • Range: 110-150% rated output power
  • Type: Hiccup mode, auto-recovery after fault condition is removed
• Overvoltage Protection:
  • Range: 13.8-16.2V
  • Type: Shut down O/P voltage, re-power on to recover
• Short Circuit Protection:
  • Type: Hiccup mode, auto-recovery after fault condition is removed

Environmental Specifications:

• Operating Temperature: -30°C to +70°C (with derating above 50°C)
• Storage Temperature: -40°C to +85°C
• Operating Humidity: 20% to 90% RH non-condensing
• Storage Humidity: 10% to 95% RH non-condensing
• Temperature Coefficient: ±0.03%/°C (0~50°C)
• Vibration: 10~500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes

Safety & EMC Standards:

• Safety Standards: UL62368-1, TUV EN62368-1, EAC TP TC 004, BSMI CNS14336-1 approved
• Withstand Voltage: I/P-O/P:3KV AC, I/P-FG:2KV AC, O/P-FG:0.5KV AC
• Isolation Resistance: I/P-O/P, I/P-FG, O/P-FG:100M Ohms/500VDC/25°C/70% RH
• EMC Emission: Compliance to EN55032 (CISPR32) Class B, EN61000-3-2,-3
• EMC Immunity: Compliance to EN61000-4-2,3,4,5,6,8,11, EN55024, light industry level, criteria A

Mechanical Specifications:

• Dimensions: 99 x 82 x 30 mm (L x W x H)
• Weight: 0.3kg
• Cooling: Convection cooled

Additional Features:

• LED Indicator: Power on
• Mounting Options: Can be mounted in various orientations
• Construction: Metal housing for durability and improved thermal performance

Applications:

Given its robust performance and wide range of features, the LRS-75-12 is suited for numerous applications:

• Industrial Automation: Powers control systems, PLCs, and other industrial equipment.
• LED Lighting: Ideal for driving LED strips, displays, and other lighting applications.
• Communications: Supports networking equipment and telecommunications systems.
• Security Systems: Provides stable power to CCTV cameras, alarms, and other security devices.
• Home and Office Electronics: Powers various consumer electronics and office equipment.
• Test and Measurement: Suitable for laboratory equipment and other precision instruments.

Installation Tips:

1. Ventilation: Ensure adequate ventilation around the power supply to prevent overheating. The free air convection cooling requires space for airflow.
2. Mounting: Use appropriate mounting hardware and follow the guidelines to secure the power supply in place.
3. Wiring: Use the correct gauge of wire for input and output connections, and ensure all connections are secure to prevent loose connections and potential failures.
4. Environment: Install the power supply in an environment within its specified operating temperature and humidity range to ensure reliable performance.

Summary:

The Mean Well LRS-75-12 is a reliable, efficient, and versatile power supply unit designed to deliver stable 12V DC power at a maximum current of 6A, providing a total power output of 72W. Its compact design, high efficiency, and comprehensive protection features make it suitable for a wide range of industrial and commercial applications. With its wide input voltage range, it can adapt to various mains voltages worldwide, ensuring reliable and safe operation across different environments. Whether for powering industrial automation systems, LED lighting, communication equipment, or security systems, the LRS-75-12 Meanwell SMPS offers a dependable solution for all your power supply needs.

Data Sheet: LRS-75-12

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