Technical Information & Details for the MEAN WELL HLG-320H-12B 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 @ 230 V AC (Cold start)
- Dimming Function: 3-in-1 dimming (1-10V DC, 10V PWM signal, resistance)
- Operating Temperature: -40 °C to +90 °C (Case temperature)
- Cooling: Fanless free air convection
- Protection Functions: Short circuit, Over current, Over voltage, Over temperature
- Ingress Protection: IP67 (Dust-tight and protected against temporary immersion)
- Isolation Voltage: 3750 V AC between input and output
- Dimensions (L x W x H): 252 mm x 90 mm x 43.8 mm
- Weight: approx. 1.88 kg
- Safety & EMC Certificates: UL8750, EN61347-1, EN61347-2-13, EN55015, IP67
- Unique Characteristics: B-Type featuring 3-in-1 dimming interface
- Manufacturer Warranty: 7 Years
Information about the MEAN WELL HLG-320H-12
The MEAN WELL HLG-320H-12B is a high-performance LED driver engineered for professional-grade lighting systems that demand versatile control and industrial durability. This B-Type model is distinguished by its 3-in-1 dimming technology, allowing users to adjust the constant current output level via 1-10V DC, a 10V PWM signal, or an additive resistance, providing ultimate design flexibility for smart lighting applications. Encased in a ruggedized aluminum housing with an IP67 rating, it is perfectly suited for harsh indoor and outdoor environments, including LED street lighting and greenhouse installations. The unit features a dual-mode constant voltage and constant current output, achieving a superior efficiency of 91% while operating silently through free air convection. Equipped with active PFC and a wide input voltage range up to 305 V AC, it maintains peak performance even in unstable power grids. With a remarkable lifetime exceeding 62,000 hours and a comprehensive 7-year manufacturer warranty, this power supply represents a top-tier investment for mission-critical projects requiring long-term stability and energy efficiency.