Technical Information & Details for MEAN WELL HLG-80H-48B Power Supply Output Power: 81.6 W Output Voltage: 48 V DC Output Current: 1.7 A Input Voltage Range: 90 – 305 V AC / 127 – 431 V DC, 47 – 63 Hz Efficiency: 91 % Ripple & Noise: max. 250 mVp-p Inrush Current: 70 A at 230 V AC Operating Temperature: −40 °C to +80 °C (Case) Cooling: fanless free air convection Protection Functions: Short circuit, Over current, Over voltage, Over temperature Isolation Voltage: 3750 V AC (Input to Output) Dimensions (L x W x H): 195.6 mm x 61.5 mm x 38.8 mm Weight: approx. 840 g Safety & EMC Certificates: UL8750, EN61347-1, IP67, CE, EAC, KC Manufacturer Warranty: 7 Years Information about the MEAN WELL HLG-80H-48B The MEAN WELL HLG-80H-48B is a professional 81.6W AC/DC driver engineered for superior durability in industrial and lighting applications. A primary characteristic of this B-Type model is the versatile 3-in-1 dimming function, supporting output level adjustments via 1–10V DC, 10V PWM signals, or resistance. The unit features a sophisticated dual-mode output design, allowing it to function effectively in both Constant Voltage and Constant Current regions to accommodate various LED configurations. Housed in a fully encapsulated metal casing with an IP67 rating, it is completely protected against dust and water immersion, making it ideal for harsh outdoor environments. Technically, the HLG-80H-48B excels with built-in active Power Factor Correction and a 91% efficiency rating, supporting its fanless thermal architecture for silent operation. With a typical life expectancy exceeding 62,000 hours and an industry-leading 7-year manufacturer warranty, it provides exceptional long-term stability for projects such as high-bay industrial lighting, greenhouse systems, and professional outdoor fixtures.