Technical Information & Details for the MEAN WELL HLG-120H-42AB Power Supply Rated Power: 121.8 W Output Voltage (DC): 42 V Rated Current: 2.9 A Input Voltage Range: 90 – 305 V AC / 127 – 431 V DC Efficiency (typ.): 93 % Ripple & Noise (max.): 200 mVp-p Adjustability: Voltage (38–46V) and current (1.45–2.9A) 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-42AB The MEAN WELL HLG-120H-42AB is the premier configuration in the 120W series for 42V applications, offering a unique hybrid of manual and electronic control features. Designed for sophisticated lighting architectures, this "AB-Type" model provides installers with the ultimate toolset for both initial hardware calibration and ongoing dynamic operation. The core advantage of this unit is its comprehensive adjustment architecture. It features built-in potentiometers located under protective rubber seals, allowing for the manual fine-tuning of output voltage and current levels during setup. This is paired with an external 3-in-1 dimming control cable, supporting 1-10V DC, 10V PWM signals, and external resistance. This combination allows for a high degree of precision, enabling users to set a performance baseline and adjust light output as needed via building automation systems. Featuring a dual-mode constant voltage and constant current output, the HLG-120H-42AB ensures high stability across diverse LED configurations. The IP65-rated aluminum housing facilitates efficient thermal management and provides robust protection against environmental ingress. With 93% efficiency and active PFC, the driver meets stringent energy requirements while maintaining a typical lifespan of over 62,000 hours. Backed by a 7-year warranty, it is a top-tier choice for smart urban lighting and professional-grade industrial systems.

Technical Information & Details for MEAN WELL HLG-480H-42AB Power Supply Rated Power: 478.8 W Output Voltage: 42 V DC Output Current: 11.4 A Input Voltage Range: 90 – 305 V AC / 127 – 431 V DC, 47 – 63 Hz Efficiency: up to 95.5% Ripple & Noise: ≤ 250 mVp-p AB-Type Feature: Internal Potentiometers AND 3-in-1 Dimming Voltage Adj. Range: 35.7 – 44.1 V (via internal pot) Current Adj. Range: 5.7 – 11.4 A (via internal pot & dimming) Dimming Function: 0-10V, 10V PWM, Resistance Operating Temperature: −40 °C to +90 °C (at case) Cooling: Fanless natural convection Protections: Short circuit, Overload, Over voltage, Over temperature IP Rating: IP67 Isolation Voltage: 3750 V AC (Input to Output) Dimensions (L x W x H): 262 mm x 125 mm x 43.8 mm Safety Standards: UL8750, ENEC EN61347-1, EAC, CB, CE Manufacturer Warranty: 7 Years Information about MEAN WELL HLG-480H-42AB The MEAN WELL HLG-480H-42AB represents the ultimate configuration in the HLG family, offering a unique "Dual-Control" feature set that combines manual and remote adjustments. This AB-Type model empowers lighting designers to pre-set voltage and current levels via internal potentiometers while simultaneously utilizing the 3-in-1 dimming interface (0-10V, PWM, or resistance) for real-time intensity management. This dual functionality is indispensable for high-end industrial projects, stadium floodlights, and horticultural LED arrays where precise hardware calibration must meet advanced automated control systems. Constructed within a heavy-duty IP67-rated metal enclosure, the HLG-480H-42AB is engineered to thrive in the most rigorous outdoor and industrial environments, resisting dust, water ingress, and vibration. Its extraordinary 95.5% efficiency rating facilitates a silent, fanless operation, ensuring that heat is dissipated naturally via free air convection even at elevated temperatures. Supported by an exceptional 7-year manufacturer warranty and a proven lifetime of over 62,000 hours, this driver is the definitive choice for mission-critical applications where maximum versatility, energy savings, and long-term operational stability are required.

Technical Information & Details for MEAN WELL HLG-480H-48AB Power Supply Output Power: 480 W Output Voltage: 48 V DC Output Current: 10 A Input Voltage Range: 90 – 305 V AC / 127 – 431 V DC, 47 – 63 Hz Efficiency: up to 95.5% Ripple & Noise: ≤ 250 mVp-p Inrush Current: 35 A @ 230 VAC (Cold Start) Power Factor: PF ≥ 0.98 @ 115 VAC / PF ≥ 0.97 @ 230 VAC Operating Temperature: -40 °C to +90 °C (Case temperature) Cooling: Fanless natural convection Protection Functions: Short circuit, Overload, Over voltage, Over temperature Ingress Protection: IP65 (AB-Type) Withstand Voltage: 3750 V AC between Input and Output Dimensions (L x W x H): 262 mm x 125 mm x 43.8 mm Weight: approx. 2800 g Safety & EMC Certificates: UL8750, ENEC EN61347-1, PSE, CB, CE, EAC Control Features: Potentiometers (internal) & 3-in-1 dimming Manufacturer Warranty: 7 Years Information about the MEAN WELL HLG-480H-48AB The MEAN WELL HLG-480H-48AB stands as the most versatile hybrid solution in the HLG family, specifically engineered for high-end applications that demand both manual calibration and dynamic remote control. As an AB-Type variant, it uniquely integrates internal potentiometers for fine-tuning the output voltage and current limits alongside a secondary control wire for 3-in-1 dimming functionality (0-10VDC, PWM, or resistance). This dual-control architecture provides engineers with the flexibility to set hardware safety margins on-site while maintaining full dim-to-off capability for smart lighting management in harbor facilities, sports arenas, and industrial greenhouse lighting. A primary strength of the HLG-480H-48AB is its outstanding energy efficiency reaching 95.5%, which minimizes internal heat generation and allows for a completely fanless design. By utilizing natural air convection for cooling, the unit achieves a superior typical lifetime of over 62,000 hours, ensuring operational stability even at case temperatures up to +90 °C. Housed in a rugged metal casing with an IP65 rating, this 480W driver is built to withstand harsh industrial stressors while the active PFC function ensures optimal power quality. Supported by a comprehensive 7-year manufacturer warranty, it is a high-performance investment for long-term outdoor and industrial lighting infrastructure.

Technical Information & Details for the MEAN WELL HLG-480H-54AB Power Supply Output Power: 480.6 W Output Voltage: 54 V DC Output Current: 8.9 A Input Voltage Range: 90 – 305 V AC / 127 – 431 V DC Efficiency: 95.5 % Adjustability: Voltage (45.9-56.7V) & Current (4.4-8.9A) via Potentiometer Dimming Function: 3-in-1 Dimming (0-10V, PWM, Resistance) Ripple & Noise: 350 mVp-p Inrush Current: 35 A @ 230 VAC Operating Temperature: −40 °C to +90 °C (Case) Cooling: Fanless natural convection Protection Functions: Short circuit, Over current, Over voltage, Over temperature Isolation Voltage: 3750 V AC Dimensions (L x W x H): 262 mm x 125 mm x 43.8 mm Weight: Approx. 2800 g Ingress Protection: IP65 rated Manufacturer Warranty: 7 Years Information about the MEAN WELL HLG-480H-54AB The MEAN WELL HLG-480H-54AB is the most versatile model within the 480W HLG series, specifically designed to provide maximum control for professional LED installations. By integrating the features of both A and B types, it allows for manual adjustment of the output voltage and constant current level via internal potentiometers, while simultaneously supporting sophisticated 3-in-1 dimming (0-10V, 10V PWM signal, and resistance). This dual-control capability ensures that the driver can be perfectly calibrated to the specific electrical requirements of high-power LED arrays while maintaining the flexibility of smart, external dimming management. Engineered for excellence, this driver achieves a peak efficiency of 95.5%, enabling a fanless design that operates reliably even under extreme conditions with case temperatures ranging from -40°C to +90°C. Its high-grade metal housing is IP65 rated, making it an excellent choice for demanding environments such as stadium lighting, harbour illumination, and greenhouse systems. With a typical lifetime exceeding 62,000 hours and a comprehensive 7-year manufacturer warranty, the HLG-480H-54AB offers unparalleled reliability and long-term performance for large-scale outdoor and industrial lighting projects.