MEAN WELL RPS-400-48-SF Chassis Mount Switching Power Supply 48V DC 254W 8.4A 94% Efficiency RPS-400-48-SF

MEAN WELL RPS-400-48-SF is a high-quality switching power supply designed for medical and industrial applications requiring stable 48V DC output at 254W power.

This chassis mount power supply features a compact form factor measuring 151mm in length, 43mm in width, and 43mm in depth, weighing 640 grams, making it suitable for installation in confined spaces.

It supports a universal AC input voltage range starting from 80V AC up to a maximum input of 370V DC and 264V AC, ensuring compatibility with various power sources worldwide.

The RPS-400 series is medical safety approved, certified to international standards including UL 62368-1, AS/NZS 62368.1, BSMI CNS143361, CCC GB4943.1, CSA C22.2 No. 62368-1, EAC TP TC 00, IS 13252 (Part 1)/IEC 60950-1, and TUV BS EN/EN 62368-1, making it ideal for critical medical equipment applications such as oral irrigators, hemodialysis machines, medical monitors, sleep apnea devices, pump machines, and electric beds.

Designed with built-in protection functions like short circuit, overload, overvoltage, and overtemperature protection, it ensures reliability and safety during operation. The device features built-in Power Factor Correction (PFC) to improve power quality and efficiency, achieving an operating efficiency of 94%.

Cooling is supported by free air convection for power outputs of 250W and 400W, with an optional 25CFM forced air cooling. The integral fan supply delivers 12V at 0.5A to drive the fan when active cooling is required.

With two output options, the power supply provides a single 48V DC output at 8.4A, along with a standby output of 5V at 1A with fan or 0.6A without fan, offering flexible power management.

Its compact design and medical-grade safety make the MEAN WELL RPS-400-48-SF switching power supply well suited for industrial, medical, laboratory, and healthcare equipment applications requiring stable and safe DC power.

Miniature size design suitable for space-restricted applications. Universal AC input with full range for flexible operation. Built-in Power Factor Correction (PFC) function for enhanced efficiency. Medical safety approved with 2 x MOPP isolation for safe medical equipment use.

Low leakage current ensuring user safety in sensitive environments. No load power consumption is minimal to conserve energy. High efficiency of 94% reduces heat and power wastage. Multiple protection functions including short circuit, overload, overvoltage, and overtemperature.

Free air convection cooling for 250W and 400W models with optional 25CFM forced air. Integral 12V/0.5A fan supply for active cooling when needed. Standby 5V @ 1A with fan or 0.6A without fan for power efficiency. Explore the MEAN WELL series of Switching Power Supplies on EnvMart for reliable and efficient power solutions.