• Output Power: 239.4 W
• Output Voltage: 42 V DC
• Rated Current: 5.7 A
• Dimming Function: 3-in-1 dimming (1-10V DC, 10V PWM, Resistance)
• Input Voltage Range: 90 – 305 V AC / 127 – 431 V DC
• Efficiency: 93.5 %
• Ripple & Noise: max. 250 mVp-p
• Operating Temperature: −40 °C to +90 °C (case temperature)
• Cooling: Fanless design by free air convection
• Ingress Protection: IP67 (Fully waterproof and dust-tight)
• Typical Lifetime: > 62,000 hours
• Dimensions (L x W x H): 244.2 mm x 68 mm x 38.8 mm
• Safety Certificates: UL8750, EN61347-1, EN55015, Type HL
• Manufacturer Warranty: 7 years

Information about the MEAN WELL HLG-240H-42B

The MEAN WELL HLG-240H-42B is a high-performance 240W LED driver specifically engineered for applications requiring professional-grade remote dimming control. This B-type model is distinguished by its versatile 3-in-1 dimming interface, allowing for seamless integration with 1-10V DC controllers, PWM signal generators, or simple external resistors to provide dynamic brightness management. Featuring a sophisticated dual-mode output, the driver maintains exceptional stability in both Constant Voltage and Constant Current regions, ensuring the highest level of protection for connected LED arrays. The rugged metal housing with an IP67 rating ensures the internal electronics are completely protected against harsh weather and industrial dust, making it the industry standard for LED street lighting, architectural floodlights, and horticultural grow lights. With a superior efficiency of 93.5% and a specialized fanless thermal design, it operates silently and reliably even in extreme environments with case temperatures up to +90 °C. Supported by a 7-year manufacturer warranty and Type HL certification for hazardous locations, the HLG-240H-42B offers a premium, maintenance-free power solution for large-scale commercial and industrial infrastructure.