MP-U48SXX-PSA Series 48W AC-DC Power Module 85-264V Wide Input 5V/12V/24V/48V Output Industrial Open-Frame Power Supply

48W AC-DC Power Module Product Overview

The MP-U48SXX-PSA series is a 48W high-performance AC-DC switching power supply module featuring an open-frame bare-board design with natural convection cooling. It supports a wide input voltage range of 85-264VAC (120-373VDC) and offers four output voltage options: 5V, 12V, 24V, and 48V. The 12V/24V/48V versions deliver 48W output power, while the 5V version delivers 30W. With efficiency up to 88% , 3000VAC high isolation voltage, an operating temperature range of -25℃ to +60℃, compact dimensions of 76.2×50.8×26.5mm, and a 3-year warranty with 100% full-load burn-in testing, this series is widely used in industrial automation, communication equipment, electronic instruments, and smart home applications.

48W AC-DC Power Module Key Features

48W Output Power: 12V/4A, 24V/2A, 48V/1A versions deliver 48W; 5V/6A version delivers 30W.

Four Voltage Options: Available in 5V/6A (MP-U48S05-PSA) , 12V/4A (MP-U48S12-PSA) , 24V/2A (MP-U48S24-PSA) , and 48V/1A (MP-U48S48-PSA) versions.

Ultra-Wide Input Voltage: Supports 85-264VAC AC input and 120-373VDC DC input for global compatibility.

Adjustable Output Voltage: Wide adjustment ranges – 5V version: 4.2-6V, 12V version: 8.3-15.4V, 24V version: 15.5-29.5V, 48V version: 26.4-56.6V.

Compact Bare-Board Design: Dimensions of 76.2×50.8×26.5mm for easy integration.

High Isolation Voltage: 3000VAC input-output isolation for electrical safety and system stability.

High Conversion Efficiency: Efficiency up to 88% , reducing energy loss and heat generation.

Low Standby Power: Standby power ≤0.75W, meeting green energy standards.

Wide Operating Temperature: -25℃ to +60℃ for industrial environments.

Comprehensive Protection: Integrated input undervoltage, output overvoltage, overcurrent, short-circuit, and overtemperature protection.

High Reliability: 3-year warranty with 100% full-load burn-in testing for 24/7 continuous operation.

48W AC-DC Power Module Selection Guide

Note: Tested at 25°C ambient temperature, 230VAC input, full load.

48W AC-DC Power Module Key Electrical Specifications

Input Voltage Range: 85-264VAC (Rated 115-230VAC) / 120-373VDC

Input Frequency: 47-63Hz

Input Current: ≤0.5A

Standby Power: ≤0.75W

Inrush Current: 55A@150µS

Leakage Current: 0.25mA

Voltage Accuracy: ±3% (5V) / ±1% (12V/24V/48V)

Voltage Ripple: 120mVp-p (5V/12V/24V) / 200mVp-p (48V)

Line Regulation: ±1%

Load Regulation: ±1%

Start-up Time (Max) : 1S

Rise Time (Typ) : 10MS

Hold-up Time (Typ) : 65MS (230VAC)

48W AC-DC Power Module Protection Functions

Input Undervoltage Protection: 60-75VAC

Output Overcurrent Protection: 110%-150% rated current, hiccup mode, auto-recovery

Output Overvoltage Protection: 110%-130% rated voltage, hiccup mode, auto-recovery

Output Short Circuit Protection: Hiccup mode, auto-recovery after fault removal

Overtemperature Protection: Output shutdown, recovery after power cycle

48W AC-DC Power Module Safety & EMC

Safety Standard: IEC62368-1

EMC Compliance: CISPR32/EN55032 CLASS B, EN61000-4-2/3/4/6 CLASS B

Withstand Voltage: I/P-O/P:3000VAC, I/P-FG:1500VAC, O/P-FG:500V (leakage current <5mA)

Insulation Resistance: >100M Ohm / 500VDC

48W AC-DC Power Module Applications

The MP-U48SXX-PSA series power modules are widely used in industrial automation equipment (PLCs, sensors, actuators, small controllers, industrial robots); communication equipment (routers, switches, gateways, wireless modules, base stations); electronic instruments (test equipment, data loggers, handheld meters, multimeters, oscilloscopes); smart home and building automation (smart lighting controllers, access control systems, security devices, smart gateways); medical devices (portable medical instruments, monitoring equipment); LED lighting and display drivers; and various embedded systems and IoT devices.

48W AC-DC Power Module Key Advantages

Wide Adjustable Voltage for Multi-Scenario Use: 5V version adjustable to 6V, 12V to 15.4V, 24V to 29.5V, 48V to 56.6V – one module for multiple applications.

Four Output Voltage Options: 5V/6A, 12V/4A, 24V/2A, 48V/1A models covering diverse needs from sensor power to POE applications.

Global Wide Input Compatibility: 85-264VAC ultra-wide input range compatible with global power grids without voltage selection switches.

Compact Bare-Board Design: 76.2×50.8×26.5mm compact footprint for easy integration into various industrial equipment and instruments.

3000VAC High Isolation Voltage: Compliant with IEC62368-1 ensuring electrical safety between high-voltage and low-voltage sides.

Low Standby Power for Energy Savings: Standby power ≤0.75W for reduced long-term energy consumption.

Comprehensive Protection: Five layers of protection (input undervoltage, output overvoltage, overcurrent, short-circuit, overtemperature) with auto-recovery.

High Efficiency: Up to 88% conversion efficiency, reducing long-term energy costs and heat generation.

Wide Temperature Range: -25℃ to +60℃ for harsh industrial environments.

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FAQ

1. What is the MP-U48SXX-PSA Series Power Module？

It is a 48W AC-DC switching power supply module with an open-frame (bare-board) design. It converts a wide range of 85-264VAC or 120-373VDC input into a stable low-voltage DC output for various industrial equipment.

2. What are the key specifications of this series？

Input Voltage: 85-264VAC / 120-373VDC

Output Power: 48W (30W for 5V model)

Efficiency: Up to 88%

Isolation Voltage: 3000VAC

Operating Temperature: -25℃ to +60℃

Dimensions: 76.2 × 50.8 × 26.5mm

3. What output voltage and current options are available？

The series offers four standard models to meet different voltage requirements:

MP-U48S05-PSA: 5V / 6A (30W)

MP-U48S12-PSA: 12V / 4A (48W)

MP-U48S24-PSA: 24V / 2A (48W)

MP-U48S48-PSA: 48V / 1A (48W)

4. What package and dimensions does this series use？

The series features an open-frame (bare-board) design with ultra-compact dimensions of 76.2 × 50.8 × 26.5mm and weighs approximately 95g. Its small footprint makes it ideal for integration into space-constrained devices.

5. What applications is this series suitable for？

This series is widely used in industrial and commercial applications where space and reliability are critical:

Industrial Automation: Powering PLCs, sensors, and servo drives

Industrial Control Systems: Powering HMIs and data acquisition modules

Communication Equipment: Providing stable power for routers and switches

Electronic Instruments: Powering test, measurement, and laboratory equipment

6. What protection features does this series support？

To ensure safety, the series offers comprehensive protection:

Input Undervoltage Protection (UVLO)

Output Overvoltage Protection (OVP) (110%-130% of rated voltage, hiccup mode, auto-recovery)

Output Overcurrent Protection (OCP) (110%-150% of rated current, hiccup mode, auto-recovery)

Output Short-Circuit Protection (SCP) (auto-recovery after fault removal)

Overtemperature Protection (OTP) (auto-recovery after power restart)

7. What certifications does this series have？

The series complies with multiple international safety and EMC standards:

Safety Standard: Complies with IEC62368-1

EMC: Complies with CISPR32/EN55032 CLASS B industrial EMC standards

Features 3000VAC isolation voltage for electrical safety

3-year warranty

8. What is the reliability of this module？

The series boasts high reliability with automated manufacturing processes, reliable materials, and strong anti-interference capabilities. Each unit undergoes 100% full-load burn-in testing before shipment to ensure long-term stability.

9. Is the output voltage adjustable？

Yes. The series supports output voltage adjustment with the following adjustable ranges:

5V model: 4.2-6V

12V model: 8.3-15.4V

24V model: 15.5-29.5V

48V model: 26.4-56.6V

10. What are the design considerations for this series？

Thermal Design: The module uses natural convection cooling — ensure adequate ventilation.

Input Voltage: Ensure input is within 85-264VAC.

Mounting Dimensions: Module size is 76.2×50.8×26.5mm — reserve sufficient installation space.

Ripple Testing: When measuring ripple, connect 0.1μF and 47μF capacitors in parallel at the output, and set the oscilloscope to 20MHz bandwidth.

Wiring: Input terminal is CH3.96-3P, output terminal is CH3.96-2P.