NPB-750-48

Technical Information & Details for MEAN WELL HLG-320H-54AB Power Supply Output Power: 321.3 W Output Voltage: 54 V DC Output Current: 5.95 A Input Voltage Range: 90 – 305 V AC / 127 – 431 V DC, 47 – 63 Hz Efficiency: up to 95% Ripple & Noise: ≤ 350 mVp-p Inrush Current: max. 70 A @230 VAC Voltage Adj. Range: 49 – 58 V (via internal potentiometer) Current Adj. Range: 2.97 – 5.95 A (via internal potentiometer) Dimming Options: 3-in-1 dimming (1-10V DC, 10V PWM, Resistance) Operating Temperature: −40 °C to +90 °C (Case temp) Cooling: Fanless natural convection Protections: Short circuit, Over current, Over voltage, Over temperature IP Rating: IP65 Isolation Voltage: 3750 V AC (Input to Output) Dimensions (L x W x H): 252 mm x 90 mm x 43.8 mm Weight: approx. 1880 g Safety Certificates: UL8750, EN61347-1, EN61347-2-13, EAC, BIS Manufacturer Warranty: 7 Years Information about MEAN WELL HLG-320H-54AB The MEAN WELL HLG-320H-54AB represents the ultimate "all-in-one" solution within the 320W category, specifically designed for applications that demand both manual calibration and remote control. This AB-Type model is uniquely equipped with both internal potentiometers for adjusting output voltage and current levels, alongside a 3-in-1 dimming interface that supports 1-10VDC, 10V PWM signals, and resistance. This dual-control capability makes it an ideal choice for smart lighting networks, high-performance grow lights, and industrial automation where precise load matching and dynamic dimming are required simultaneously. Operating with an outstanding 95% efficiency, the unit minimizes thermal waste within its ruggedized IP65-rated metal housing. It features a sophisticated dual-mode constant voltage and constant current output, ensuring seamless operation regardless of the load configuration. Built to withstand extreme conditions from -40 °C to +90 °C, this driver boasts an active PFC function and a typical lifetime of over 62,000 hours. The professional-grade reliability is further backed by an industry-leading 7-year manufacturer warranty, making the HLG-320H-54AB a future-proof investment for high-power installations.