Product Introduction
Following the innovative NSP-75/100/150/200/320 Power Supply series, MEAN WELL has extended its standard industrial power supply offerings with built-in PFC by launching the new NSP-500/750 Power Supply series.
Compared to the older generation RSP-500/750 Power Supply, which has been on the market for over 10 years, the NSP-500/750 Power Supply series offers better value for money and features comprehensive upgrades in several key specifications: 33% smaller size, higher efficiency and lower power consumption, support for 200% peak power, a wider operating temperature range of -40 to +85℃, a 5-year warranty for greater durability and reliability, and coverage of five major safety standards, making it suitable for various fields such as industrial automation, communication equipment, security monitoring, medical applications, smart homes, and new energy systems.
Comparison Table of Old and New Generations:

Product Features:
- 85~305Vac ultra-wide input range, compatible with North American 277Vac or reduces susceptibility to damage due to unstable power grids.
- High efficiency 90~95%, low power consumption < 0.75W~1W (depending on model).
- Power Supply with 200% peak power output capability.
- Ultra-wide operating temperature range of -40~+85℃ (can operate at full load up to +60℃).
- Power Supply with built-in low-noise fan (< 45dB).
- Full protection functions: short circuit, overload, overvoltage, overtemperature.
- Power Supply compliant with OVC III.
- Suitable for use at altitudes up to 5000 meters.
- Ultra-low leakage current (<350µA), 2xMOPP compliant, suitable for medical BF level applications.
- Power Supply is certified by CB/DEKRA/UL/RCM/BSMI/CCC/EAC/BIS/KC/CE/UKCA (Note 1) and meets multiple safety standards including 62368-1 / 61010-1 / 61558-1 / 62477-1 / 60601-1 / 60335-1 and SEMI47 for semiconductor equipment.
- PCB conformal coating for enhanced durability.
- 5-year warranty.
Application Example – Voice Alarm System

Ordering Inquiry

About Gainer LED:
Gainer LED was established in 2012. The company focuses on providing advanced technology solutions for medium and high power general lighting, special lighting and high-end display fields. Its products are widely used in commercial lighting, industrial lighting, smart buildings and professional display screens. Relying on a global marketing network and professional technical service system, Gainer LED continues to provide global customers with high-performance lighting products that meet international standards and fully meet the diverse needs of the market.
For more customer service needs, please contact us:
- Phone: +8615818679054
- Tel : +86-755-27835429
- Email: info@gainer-led.com