• Rated Power: 249.9 W
• Output Voltage Range: 119 – 238 V DC (Constant Current Region)
• Rated Current: 1050 mA
• Input Voltage Range: 90 – 305 V AC / 127 – 431 V DC, 47 – 63 Hz
• Efficiency: Up to 94 %
• Current Ripple: 5.0% max. @ rated current
• Inrush Current: Cold start 75 A (t_width = 700 µs at 230 V AC)
• No-load Power Consumption: < 0.5 W
• Operating Temperature: −40 °C to +90 °C (Tcase)
• Cooling: Free air convection
• Protections: Short circuit, Over voltage, Over temperature
• Surge Immunity: 4KV Line-Earth, 2KV Line-Line
• Isolation Voltage: 3.75 KV AC (Input to Output)
• Dimensions (L x W x H): 244.2 mm x 68 mm x 38.8 mm
• Weight: Approx. 1300 g
• Safety & EMC Standards: UL8750, EN61347-1, EN61347-2-13, IP67, EAC
• Dimming Control: 3-in-1 dimming (1-10V DC, 10V PWM, resistance)
• Manufacturer Warranty: 7 Years

Information about the MEAN WELL HLG-240H-C1050B

The MEAN WELL HLG-240H-C1050B is a high-grade 250W AC/DC LED driver engineered for high-voltage constant current output. This B-Type version stands out due to its advanced 3-in-1 dimming interface, allowing seamless brightness adjustment via 1-10V DC, 10V PWM signals, or external resistance. Encased in a rugged IP67-rated metal housing, the unit is fully protected against dust and water ingress, making it the preferred choice for demanding outdoor environments such as LED street lighting, architectural site illumination, and bay lighting in heavy-duty industrial facilities. With a high efficiency of 94 % and built-in active PFC, the driver maintains low thermal stress, enabling fanless operation across a wide temperature range of -40 °C to +90 °C. It also carries the "Type HL" rating, ensuring safety for installation in Class I, Division 2 hazardous locations. The combination of its 62,000+ hour lifetime and a comprehensive 7-year manufacturer warranty makes the HLG-240H-C1050B a robust and reliable power solution for large-scale lighting installations where maintenance access is limited and durability is paramount.