MEAN WELL RSP-750-48 750W 48V Enclosed Power Supply with PFC, 1U Low Profile

Industrial automation engineers and system integrators often face the challenge of powering high-current 48V equipment in space-constrained racks. The MEAN WELL RSP-750-48 answers that need with a robust 750-watt enclosed power supply in a slim 1U profile. It delivers a steady 48 VDC at up to 15.7 A, making it suitable for driving motors, LED arrays, and communication gear. Active power factor correction keeps the input current sinusoidal and efficient, while the built-in fan adjusts speed based on load and temperature to maintain reliable operation.

Key specifications

• Output power: 750 W
• Output voltage: 48 VDC
• Output current: 15.7 A
• Input voltage: 90 ~ 264 VAC / 127 ~ 370 VDC
• Efficiency: up to 90%
• Active PFC: >0.95
• Form factor: enclosed, 1U low profile
• Cooling: built-in DC fan with speed control
• Protections: short circuit, overload, over voltage, over temperature
• Operating temperature: -20 ~ +70°C
• Remote ON/OFF and remote sense
• DC OK signal output
• Certifications: UL, CUL, TUV, CE, CB
• Harmonic current: EN61000-3-2 Class C

Why choose it

This power supply combines high power density with advanced control features. The active PFC minimizes harmonic distortion and improves energy utilization, which can lower operating costs and ease compliance with power quality standards. Remote ON/OFF and remote sense allow integration into automated systems, while the DC OK signal provides real-time status monitoring. The 1U height saves valuable rack space without sacrificing performance.

Ideal use cases

• Industrial control systems and PLC cabinets
• LED lighting and signage installations
• Telecommunications and networking equipment
• Test and measurement instruments
• Motor drives and robotics

Good to know

The RSP-750-48 is built for continuous operation in demanding environments. Its wide input voltage range accepts both AC and DC sources, offering flexibility for global deployments. The intelligent fan control reduces noise in light-load conditions and extends fan life. With comprehensive protection circuits, the unit safeguards both itself and connected loads from electrical faults. Mounting is straightforward with standard chassis screw holes, and the compact dimensions simplify integration into existing enclosures.