MEAN WELL RSP-1500-12 1500W 2U Enclosed Power Supply

Delivering a massive 1500W output at 12V DC with 125A current, the MEAN WELL RSP-1500-12 is a high-density power solution engineered for demanding industrial and networking applications. Its 2U low-profile form factor fits standard racks, while active PFC and 91% efficiency ensure reliable, energy-conscious operation.

Overview

The RSP-1500-12 is a single-output enclosed AC/DC power supply from MEAN WELL's RSP-1500 series. It accepts a universal input of 90–264 VAC or 127–370 VDC, making it suitable for worldwide use. The built-in DC fan with speed control maintains optimal thermal performance across a wide operating temperature range of -20°C to +70°C. Comprehensive protections include short circuit, overload, over voltage, and over temperature, safeguarding both the supply and connected equipment.

What stands out

• 1500W output power with 12V DC and 125A current capability
• Active PFC (>0.95) and high efficiency up to 91%
• 2U low-profile design for space-efficient rack mounting
• Built-in remote ON/OFF, remote sense, and DC OK signal for system integration
• Current sharing supports up to 4 units in parallel for 6000W total
• Complies with UL60950-1, TUV EN60950-1, CB, and CE safety standards

Technical details

• Input voltage: 90–264 VAC / 127–370 VDC
• Output voltage: 12 VDC
• Output current: 125 A
• Ripple & noise: 150 mVp-p
• Hold-up time: 10 ms at 230 VAC full load
• Auxiliary output: 5V @ 0.3A
• Cooling: Built-in DC fan with speed control
• Operating temperature: -20°C to +70°C
• Protections: Short circuit, overload, over voltage, over temperature

Our verdict

The RSP-1500-12 is a robust, high-power supply ideal for industrial automation, telecom, and large-scale LED systems. Its combination of high efficiency, active PFC, and parallel capability makes it a reliable backbone for power-hungry applications.