• Output Power: 321.6 W
• Output Voltage: 48 V DC
• Output Current: 6.7 A
• Input Voltage Range: 90 – 305 V AC / 127 – 431 V DC, 47 – 63 Hz
• Efficiency: up to 95%
• Dimming Function: 3-in-1 dimming (0-10VDC, 10V PWM, Resistance)
• Ripple & Noise: ≤ 250 mVp-p
• Power Factor: PF ≥ 0.98 @ 115 VAC / PF ≥ 0.95 @ 230 VAC
• Operating Temperature: −40 °C to +90 °C (Case temperature)
• Cooling: Fanless, free air convection
• Protection Functions: Short Circuit, Over Current, Over Voltage, Over Temperature
• IP Rating: IP67 (fully encapsulated)
• 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: UL8750, EN61347-1, EN61347-2-13, IP67, EAC, CE
• Special Feature: Constant current level adjustable via dimming lead
• Manufacturer Warranty: 7 Years

Information on the MEAN WELL HLG-320H-48B

The MEAN WELL HLG-320H-48B is a high-performance 320W LED driver engineered for advanced lighting applications requiring sophisticated control and superior durability, backed by an industry-leading 7-year manufacturer warranty. This B-Type model is characterized by its versatile 3-in-1 dimming function, allowing for smooth brightness adjustment via 0-10VDC, a 10V PWM signal, or resistance. Its fully encapsulated IP67-rated metal housing provides maximum protection against dust and moisture, making it the ideal choice for high-reliability outdoor installations such as LED street lighting, architectural displays, and high-bay industrial lighting. Utilizing dual-mode technology, the HLG-320H-48B operates effectively in both Constant Voltage (CV) and Constant Current (CC) regions. With a peak efficiency of 95% and a fanless design that relies on free air convection, the unit offers a silent and cool operation even under extreme thermal conditions. The built-in active PFC function ensures high power quality, while the typical lifetime of over 62,000 hours guarantees long-term stability and reduced maintenance costs for large-scale lighting projects.