Technical Information & Details for the MEAN WELL ELG-75-42DA Power Supply
- Output power: 75.6 W
- Output voltage: 42 V DC
- Output current: 1.8 A
- Voltage range: 21 – 42 V
- Input voltage range: 100 – 305 V AC / 142 – 431 V DC, 47 – 63 Hz
- Efficiency: up to 90 %
- Power factor: PF ≥ 0.95 at 230 VAC full load
- Total harmonic distortion: THD < 20 %
- Ripple & noise: ≤ 250 mVp-p
- Inrush current: 50 A typical at 230 VAC
- No-load / standby power: < 0.5 W
- Operating temperature: Tcase −40 °C to +85 °C
- Cooling: fanless natural convection
- Ingress protection: IP67
- Protection functions: short circuit, over current, over voltage, over temperature
- Isolation voltage: 3.75 kV AC input to output
- Dimensions (L x W x H): 180 mm x 63 mm x 35.5 mm
- Weight: approx. 0.8 kg
- Safety & EMC certifications: UL8750, CSA C22.2 No. 250.13-12, EN 61347-1, EN 61347-2-13, EN 62384, EAC, KC
- Dimming interface: DALI according to IEC 62386-101 / 102
- Special feature: combined constant voltage and constant current operation in one unit
- Typical lifetime: > 50,000 hours
- Manufacturer warranty: 5 years
Information about the MEAN WELL ELG-75-42DA
The MEAN WELL ELG-75-42DA is a highly versatile 75 W LED power supply designed for professional lighting systems that require stable performance, long service life, and reliable control integration. Its key strength is the combination of constant voltage and constant current operation within a single unit, giving system designers greater flexibility when matching the driver to different LED configurations. With a wide 100 to 305 V AC input range, high efficiency of up to 90%, built-in active PFC, and a rugged metal housing, this model is well suited for demanding installations where dependable long-term operation matters. The fanless design supports quiet, low-maintenance use, while the IP67-rated enclosure allows dependable performance in both indoor and outdoor environments.
What makes the ELG-75-42DA especially attractive for advanced lighting projects is its integrated DALI interface, which enables precise digital dimming and straightforward integration into modern lighting control and building automation systems. This makes it an excellent choice for architectural lighting, flood lighting, bay lighting, outdoor luminaires, and other installations where controllability and durability are equally important. The unit also stands out for its strong protective design, including short circuit, over current, over voltage, and over temperature protection, helping improve overall system safety and operational stability. Combined with very low standby power, a typical lifetime of over 50,000 hours, and a 5-year manufacturer warranty, it is a strong solution for efficient, robust, and professionally controlled LED power applications.