Technical Information & Details for the MEAN WELL HLG-320H-48A Power Supply
- Output Power: 321.6 W
- Output Voltage: 48 V DC (Adjustable 43 – 52 V)
- Output Current: 6.7 A (Adjustable 3.35 – 6.7 A)
- Input Voltage Range: 90 – 305 V AC / 127 – 431 V DC, 47 – 63 Hz
- Efficiency: up to 95%
- Ripple & Noise: ≤ 250 mVp-p
- Power Factor: PF ≥ 0.98 @ 115 VAC / PF ≥ 0.95 @ 230 VAC
- Inrush Current: max. 70 A @ 230 VAC
- Operating Temperature: −40 °C to +90 °C (at case)
- Cooling: Fanless, free air convection
- Protection Functions: 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
- Certifications: UL, TUV, EN61347, EAC, CE, CB
- Special Feature: Internal potentiometers for V and I adjustment
- Manufacturer Warranty: 7 Years
Information on the MEAN WELL HLG-320H-48A
The MEAN WELL HLG-320H-48A is a premium-grade 320W LED driver designed for high-end industrial and lighting systems, distinguished by its industry-leading 7-year manufacturer warranty. As part of the Type A series, this model features a ruggedized metal enclosure with IP65 ingress protection and includes built-in internal potentiometers, allowing users to manually fine-tune both the output voltage and current levels to meet specific load requirements. Its advanced dual-mode design enables the unit to function seamlessly in both Constant Voltage (CV) and Constant Current (CC) regions, providing the necessary versatility for demanding applications such as LED street lighting, high-bay installations, and horticultural greenhouse systems. With an efficiency rating of up to 95%, the driver operates with minimal heat loss, supporting a fanless design that ensures silent and reliable performance across a wide temperature range of -40 °C to +90 °C. The inclusion of an active PFC function and a comprehensive suite of safety protections against short circuits and over-temperature ensures a long-term operational lifetime of over 62,000 hours, making it a benchmark for reliability in modern electrical infrastructure.