• Rated Power: 124.2 W
• Output Voltage (DC): 54 V
• Rated Current: 2.3 A
• Input Voltage Range: 90 – 305 V AC / 127 – 431 V DC
• Efficiency (typ.): 93 %
• Ripple & Noise (max.): 200 mVp-p
• Adjustability: Voltage (49–58V) and current (1.15–2.3A) via internal potentiometers
• Dimming Technology: 3-in-1 dimming (1–10V DC, 10V PWM signal, or resistance)
• Operating Temp. (Case): −40 °C to +80 °C
• IP Rating: IP65
• Typical Lifetime: > 62,000 hours
• Manufacturer Warranty: 7 Years

Information about the MEAN WELL HLG-120H-54AB

The MEAN WELL HLG-120H-54AB represents the peak of flexibility in the 120W series for 54V applications. As an "AB-Type" hybrid, it combines the manual on-site adjustment capabilities of the A-series with the sophisticated remote control features of the B-series, making it a favorite for high-end industrial and network integration.

This model features a comprehensive control architecture. Installers can use the built-in potentiometers located under protective rubber seals to fine-tune the output voltage and set a precise current limit. Simultaneously, the driver provides an external 3-in-1 dimming cable, allowing for dynamic regulation via 1-10V DC, 10V PWM signals, or external resistance. This dual capability ensures that a performance baseline can be established during installation while maintaining full compatibility with smart building management or telecommunication control systems.

Operating in dual-mode constant voltage and constant current, the HLG-120H-54AB maintains 93% efficiency and features active Power Factor Correction (PFC). The IP65-rated aluminum enclosure provides excellent thermal management and protection against dust and water ingress. With a typical lifespan of over 62,000 hours and a 7-year manufacturer warranty, it is a top-tier choice for smart 54V PoE injectors, industrial lighting arrays, and professional infrastructure projects.