Mean Well NDR-480-24 480W 20A 24VDC Single Output AC to DC DIN Rail Power Supply (NDR Series Economical Model EMC EN55022 Class B)

The NDR-480-24 is a high performance 480W industrial grade DIN rail power supply designed for demanding applications in automation and control systems. This 24V DC output model delivers 20A continuous current with up to 92.5 % typical efficiency and features a 90-264VAC/127-370VDC universal input voltage range for global compatibility. Its compact 85.5 mm width enables efficient mounting on TS-35/ 7.5 or TS-35/15 rails, making it ideal for control cabinet integration. The device features active PFC (Power Factor Correction) technology with PF> 0.98 at 115VAC and PF> 0.94 at 230VAC, ensuring compliance with BS EN/EN61000-3-2 harmonic current standards.

Technical specifications include 1.0 % voltage accuracy, an adjustable output range of 24-28VDC, and low ripple/noise (150mVp-p). Advanced protection features include short circuit, overload, overvoltage, and overtemperature protection. The power supply has a 16ms full load hold-up time and cold start capability (1500ms start-up time at 230VAC, 3000ms start-up time at 115VAC), ensuring stable operation even in the case of power fluctuations. Its rugged design supports natural convection cooling and can withstand the impact of industrial environments. It has passed UL 508 industrial control equipment certification and BS EN/EN61000-6-2 EMI immunity certification.

Other features include: leakage current <2mA, surge current handling capability of 35A at 230VAC, and 0.5 % line/ 1.0 % load regulation. The power supply is 100% full load burn-in tested and has a 3-year warranty. It is designed for applications such as factory automation, machinery and process control that focus on continuous operation and space optimization to ensure reliability.