MEAN WELL LRS-100N2-24 AC-DC Switching Power Supply 24V 4.2A 100.8W

Industrial and automation systems often require a stable, efficient DC power source from the AC mains. The MEAN WELL LRS-100N2-24 is a 100.8W enclosed AC-DC switching power supply that delivers a regulated 24V DC output at up to 4.2A, solving the need for reliable power conversion in control panels, machinery, and electronic equipment.

Who is it for

This power supply is intended for engineers, system integrators, and maintenance technicians who need a compact, chassis-mountable power unit for industrial control, automation, LED lighting, or test equipment. It suits applications where a free-air convection cooled, low-noise power source is required without forced air cooling.

Main features

• Wide AC input range: 85 ~ 264 V AC (120 ~ 370 V DC)
• Output: 24 V DC, 4.2 A, 100.8 W
• High efficiency: 88%
• Low ripple and noise: 150 mVp-p
• Built-in protections: short circuit, overload, over voltage, over temperature
• Free air convection cooling, no fan required
• Chassis mount with screw terminals
• Operating temperature: -30 ~ +70°C
• Complies with UL60950-1, TUV EN60950-1, CB, CE safety standards

Specifications

• Output voltage: 24 V DC
• Output current: 4.2 A
• Output power: 100.8 W
• Input voltage (AC): 85 ~ 264 V AC
• Input voltage (DC): 120 ~ 370 V DC
• Efficiency: 88%
• Ripple & noise: 150 mVp-p
• Voltage adjustment range: 21.6 ~ 28.8 V
• Protections: Short Circuit, Overload, Over Voltage, Over Temperature
• Operating temperature: -30 ~ +70°C
• Cooling: Free air convection
• Mounting: Chassis mount (screw terminals)
• Isolation voltage (input to output): 3.75 kV AC
• Isolation voltage (input to ground): 2 kV AC
• Isolation voltage (output to ground): 1.25 kV AC
• Harmonic current: EN61000-3-2 Class A

Tips

Ensure adequate ventilation around the unit to maintain operation within the specified temperature range. For best performance, keep input and output wiring separated and use appropriate wire gauges for the load current.