MEAN WELL LRS-100-15 100W 15V 6.7A Enclosed Switching Power Supply

Industrial and automation projects often demand a stable, reliable DC power source that can handle fluctuating mains voltage and harsh environments. The MEAN WELL LRS-100-15 answers that need with a robust 100-watt enclosed power supply, delivering a precise 15V DC output at up to 6.7 amps. Its metal case and wide input range make it a dependable choice for LED lighting, control systems, and machinery.

Who is it for

This power supply is ideal for system integrators, electrical engineers, and maintenance professionals who require a fixed-voltage DC rail in industrial panels, vending machines, or test equipment. It suits anyone needing a compact, fanless unit that operates quietly and reliably over a broad temperature range.

Main features

• Wide input voltage range: 85–264 VAC or 120–370 VDC, ensuring compatibility with global mains standards.
• High efficiency up to 87%, reducing energy waste and heat generation.
• Built-in protections: short circuit, overload, and over voltage safeguard both the supply and connected loads.
• Free air convection cooling – no fan, no noise, no moving parts to fail.
• Adjustable output voltage from 13.5V to 18V via potentiometer for fine-tuning.
• Enclosed metal case with 3kVAC isolation between input and output for safety.
• Complies with UL 60950-1 and TUV EN 60950-1 safety standards, and EN 55022 Class B EMC emission.

Specifications

• Output voltage: 15V DC (adjustable 13.5–18V)
• Output current: 6.7A
• Output power: 100.5W
• Input voltage: 85–264 VAC / 120–370 VDC
• Input frequency: 47–63 Hz
• Efficiency: 87%
• Ripple & noise: 120mVp-p
• Hold up time: 16ms at full load, 230VAC
• Setup, rise time: 500ms, 20ms at full load, 230VAC
• Operating temperature: -30°C to +70°C
• Cooling: Free air convection
• Isolation voltage: 3kVAC (input to output)
• Safety standards: UL 60950-1, TUV EN 60950-1
• EMC emission: EN 55022 Class B
• Protections: Short circuit, overload, over voltage

Tips

Mount the LRS-100-15 on a DIN rail or directly to a panel using the provided screw holes. Ensure adequate ventilation around the unit to maintain optimal performance. For applications requiring a different voltage, the output can be adjusted within the specified range, but always verify with a multimeter before connecting sensitive loads.