Technical Information & Details for MEAN WELL ELG-150-42DA LED Driver Output Power: 150 W (at 200 – 305 V AC) / 105 W (at 100 – 180 V AC) Output Voltage: 42 V DC (Constant current region: 21 – 42 V) Rated Current: 3.57 A Dimming Function (DALI Interface): DALI-1 control protocol (EN62386-101, 102, 207) Ripple & Noise (max.): ≤ 250 mVp-p Voltage Tolerance: ±2.5% Input Voltage Range: 100 – 305 V AC / 142 – 431 V DC Efficiency (Typ.): 90% Power Factor (PF): PF ≥ 0.97 at 115 V AC / PF ≥ 0.95 at 230 V AC / PF ≥ 0.92 at 277 V AC (at full load) Ingress Protection: IP67 (suitable for indoor and outdoor installations) Operating Temperature: Tcase −40 °C to +90 °C (max. case temperature +90 °C) Cooling: Fanless free air convection Protections: Over current (95 – 108%, constant current limiting), Short circuit (hiccup mode), Over voltage (47 – 54 V), Over temperature Form Factor / Housing: Metal housing design with functional Ground (Class I) Dimensions (L x W x H): 219 mm x 63 mm x 35.5 mm Weight: Approx. 0.95 kg Manufacturer Warranty: 5 Years Information about MEAN WELL ELG-150-42DA The MEAN WELL ELG-150-42DA is a high-performance 150W AC/DC LED power supply featuring dual mode constant voltage and constant current output. Housed in a durable metal casing, it accepts a wide input voltage range of 100 to 305 V AC and provides a 42 V DC output with a rated current of up to 3.57 A (150 W output at 200–305 V AC). As a DA-Type model, it features an IP67 rating and an integrated DALI technology interface complying with DALI-1 standards (EN62386). Designed with fanless free air convection cooling, it operates efficiently across case temperatures ranging from −40 °C to +90 °C, making it suitable for indoor and outdoor installations such as LED street lighting, architectural lighting, and floodlighting. Equipped with active PFC, built-in protection circuitry, and a lifetime expectancy exceeding 50,000 hours, it is backed by a 5-year manufacturer warranty.