MEAN WELL HRP-100-24 100.8W 24V 4.2A Enclosed Power Supply

Delivering 100.8 watts at 24 VDC with 89% efficiency, the MEAN WELL HRP-100-24 is a compact enclosed power supply built for industrial and commercial applications where reliable DC power is non-negotiable. Its universal AC input (85–264 VAC) and wide operating temperature range (-30 to +70 °C) make it suitable for demanding environments, from factory automation to LED lighting systems.

Overview

The HRP-100-24 belongs to MEAN WELL's HRP series, known for high reliability and long service life. This model provides a stable 24 VDC output with a current capacity of 4.2 A, ensuring consistent performance for connected loads. The unit features free air convection cooling, eliminating the need for a fan and reducing maintenance while operating silently.

What stands out

• High efficiency up to 89% reduces energy consumption and heat generation
• Wide input voltage range accepts both 85–264 VAC and 120–370 VDC
• Full protection against short circuit, overload, over voltage, and over temperature
• Compact enclosed design with free air convection cooling for silent operation
• Adjustable output voltage from 21.6 to 28.8 V for flexible integration
• Complies with major safety certifications including UL60950-1 and TUV EN60950-1

Technical details

• Output Power: 100.8 W
• Output Voltage: 24 VDC (adjustable 21.6–28.8 V)
• Output Current: 4.2 A
• Input Voltage: 85–264 VAC / 120–370 VDC
• Input Frequency: 47–63 Hz
• Efficiency: 89% at 230 VAC full load
• Ripple & Noise: 150 mVp-p
• Power Factor: >0.95 at 230 VAC full load
• Isolation Voltage (I/P-O/P): 3 kVAC
• Operating Temperature: -30 to +70 °C
• Cooling: Free air convection
• Protections: Short circuit, overload, over voltage, over temperature
• Certifications: UL60950-1, TUV EN60950-1, CB, CE

Our verdict

The HRP-100-24 is a workhorse power supply that combines robust performance with a compact footprint. Its wide input range, high efficiency, and comprehensive protections make it an excellent choice for engineers and system integrators seeking a dependable 24 VDC source.