Technical Information & Details for the MEAN WELL HLG-320H-12AB Power Supply
Output Power: 264 W
Output Voltage: 12 V DC
Output Current: 22 A
Input Voltage Range: 90 – 305 V AC / 127 – 431 V DC, 47 – 63 Hz
Efficiency: up to 91%
Ripple & Noise: ≤ 150 mVp-p
Inrush Current: max. 70 A (Cold start @ 230 VAC)
No-load Power: < 0.75 mA / 277 VAC (Leakage Current)
Operating Temperature: -40 °C to +90 °C (Case Temperature)
Cooling: Fanless natural air convection
Protection Functions: Short circuit, Overload (Constant Current Limiting), Over voltage, Over temperature
Overvoltage Category: Compliant with industrial standards (IP65 design)
Isolation Voltage: 3750 V AC between Input and Output
Dimensions (H x W x D): 252 mm x 90 mm x 43.8 mm
Weight: approx. 1880 g
Safety & EMC Certificates: UL8750, CSA C22.2, EN61347-1, EN61347-2-13, IP65, EAC, CE
LED Indicator: 3-in-1 dimming function and internal adjustability
Manufacturer Warranty: 7 years
Information about the MEAN WELL HLG-320H-12AB
The MEAN WELL HLG-320H-12AB is a premium 320W LED driver engineered for high-performance applications requiring dual-mode Constant Voltage and Constant Current output. This specific AB-type variant is housed in a rugged IP65-rated metal enclosure, providing superior protection against dust and moisture while offering maximum control flexibility. It features a unique combination of adjustable output current via an internal potentiometer and a comprehensive 3-in-1 dimming interface compatible with 1–10VDC, PWM signals, or resistance. With an impressive efficiency rating of up to 91% and a wide operational temperature range, this power supply ensures long-term stability in LED street lighting, high-bay installations, and hazardous locations (Type HL). The fanless design guarantees silent operation and high reliability, backed by an industry-leading 7-year manufacturer warranty, making it a sustainable and cost-effective solution for professional lighting projects.