Technical Information & Details for MEAN WELL HLG-185H-42B Power Supply
- Output Power: 184.8 W
- Output Voltage: 42 V DC
- Output Current: 4.4 A
- Input Voltage Range: 90 – 305 V AC / 127 – 431 V DC, 47 – 63 Hz
- Efficiency: up to 93.5%
- Dimming Function: 3-in-1 dimming (1–10V DC, 10V PWM signal, resistance)
- Ripple & Noise: ≤ 200 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 natural convection
- Protections: Short Circuit, Over Current, Over Voltage, Over Temperature
- IP Rating: IP67 (Fully dust-tight and waterproof)
- Isolation Voltage: 3750 V AC between Input and Output
- Dimensions (L x W x H): 228 mm x 68 mm x 38.8 mm
- Weight: approx. 1150 g
- Safety & EMC Certificates: UL8750, EN61347-1, EN61347-2-13, IP67, EAC, CE
- Unique Feature: Dual Mode (Constant Voltage + Constant Current)
- Manufacturer Warranty: 7 Years
Information about the MEAN WELL HLG-185H-42B
The MEAN WELL HLG-185H-42B is a high-performance 185W AC/DC LED driver designed for professional lighting applications where intelligent control and extreme durability are paramount. This "B-Type" model is distinguished by its advanced 3-in-1 dimming interface, allowing the constant current output level to be seamlessly adjusted via 1–10VDC, a 10V PWM signal, or external resistance. Engineered with a rugged, fully potted metal enclosure rated at IP67, the HLG-185H-42B is completely protected against dust and water immersion, making it the premier choice for harsh outdoor environments, including street lighting, high-bay industrial lamps, and greenhouse LED systems. Its dual-mode output capability ensures it can function effectively in either Constant Voltage or Constant Current regions, providing unparalleled versatility for different LED configurations. With a peak efficiency of 93.5% and a fanless design that operates between -40 °C and +90 °C, this driver minimizes thermal stress and maximizes energy savings. The typical lifetime exceeding 62,000 hours, backed by a comprehensive 7-year manufacturer warranty, ensures that your lighting infrastructure remains maintenance-free and reliable over the long term.