MEAN WELL LRS-75-12 - 72W 12V 6A Enclosed Switching Power Supply

Industrial automation engineers and system integrators rely on the MEAN WELL LRS-75-12 to deliver stable 12V DC power for control panels, LED lighting arrays, and compact machinery. This 72-watt enclosed switching power supply accepts a universal AC input from 85 to 264 VAC, making it suitable for worldwide use without manual voltage selection. Its slim, low-profile metal case fits easily into tight DIN-rail or chassis-mount installations, while free air convection cooling eliminates the need for a fan and reduces maintenance.

Key specifications

• Output voltage: 12V DC, adjustable from 10.2 to 13.8V
• Rated output current: 6A
• Rated power: 72W
• Input voltage: 85–264 VAC (120–370 VDC)
• Input frequency: 47–63 Hz
• Efficiency: up to 89%
• Ripple & noise: 120mVp-p
• Hold-up time: 60ms at full load, 230VAC
• Protections: short circuit, overload, over voltage
• Operating temperature: -30°C to +70°C
• Cooling: free air convection
• Safety standards: UL60950-1, TUV EN60950-1, EN55022 Class B
• MTBF: >700K hrs per MIL-HDBK-217F

Why choose it

The LRS-75-12 combines high efficiency with a rugged metal housing, ensuring reliable operation in demanding environments. Its wide input range and built-in protections safeguard both the supply and connected equipment. The compact footprint and chassis-mount design simplify integration into existing systems, while the adjustable output voltage adds flexibility for voltage drop compensation.

Ideal use cases

• Industrial control systems and PLC power
• LED lighting and signage
• Security and access control systems
• Test and measurement equipment
• General electronics projects requiring a reliable 12V source

Good to know

The unit operates silently thanks to convection cooling, making it suitable for noise-sensitive areas. It complies with major international safety and EMC standards, and its high MTBF indicates long-term durability. For installation, ensure adequate ventilation and derate output above 50°C ambient temperature.