MEAN WELL OWA-90E-20 90W 20V 4.5A IP67 Waterproof LED Driver Power Supply

Delivering a robust 90W output at 20V DC with up to 90% efficiency, the MEAN WELL OWA-90E-20 is a dependable power solution for demanding indoor and outdoor applications. Housed in a fully sealed IP67-rated plastic enclosure, it withstands dust, moisture, and harsh environments while providing stable, regulated power for LED lighting, industrial controls, and other electronics.

Overview

The OWA-90E-20 is a single-output AC/DC power supply that converts universal AC input (90–264V AC) or DC input (127–370V DC) into a tightly regulated 20V DC output with ±1.0% voltage tolerance. It delivers up to 4.5A of current, making it ideal for high-power LED arrays, motor drives, and communication equipment. The unit operates over a wide temperature range from -35°C to +70°C using free air convection cooling, ensuring silent and reliable performance.

What stands out

• IP67 waterproof and dustproof design for outdoor and wet locations
• High efficiency up to 90% reduces energy waste and heat generation
• Comprehensive protections: short circuit, overload, over voltage, and over temperature
• Wide input voltage range supports global use (90–264V AC)
• Compact plastic case with wire lead connections for easy installation
• Certified to UL, CUL, TUV, CB, and CE safety standards

Technical details

• Output power: 90 W
• Output voltage: 20 V DC
• Output current: 4.5 A
• Input voltage: 90 ~ 264 V AC / 127 ~ 370 V DC
• Frequency range: 47 ~ 63 Hz
• Ripple & noise: 150 mVp-p
• Setup time: 500 ms at 230 V AC, 1000 ms at 115 V AC (full load)
• Hold-up time: 10 ms at 230 V AC, 10 ms at 115 V AC (full load)
• Operating temperature: -35 ~ +70 °C
• Cooling: Free air convection
• Housing material: Plastic
• Input connection: Wire leads
• Output connection: Wire leads

Our verdict

The MEAN WELL OWA-90E-20 combines rugged IP67 protection, high efficiency, and reliable performance in a compact package. It is an excellent choice for engineers and installers seeking a durable power supply for outdoor LED projects or industrial systems where environmental resilience is critical.