DIN rail power supply Mean Well SDR-120-48 120W 48V 2.5A

Introduction

The SDR-120-48 DIN rail power supply from MEAN WELL is a modern, high-performance device designed for professional industrial applications, automation, and systems requiring a stable 48V power supply. Thanks to its high efficiency and wide input voltage range, this model ensures reliable and safe operation even in demanding conditions.

The MEAN WELL brand – a guarantee of quality and reliability

MEAN WELL is a global leader in the production of industrial power supplies, known for innovative solutions, high quality, and a wide range of products adapted to various applications. MEAN WELL power supplies are valued by specialists in the automation, telecommunications, and security systems industries, and the brand is recognized worldwide.

General Description of the SDR-120-48 Power Supply

The SDR-120-48 switching power supply is a 120W model designed for mounting on a TS35/7.5 or 15 DIN rail. The device features a wide input voltage range (88–264VAC or 124–370VDC), high efficiency up to 94%, and a built-in active PFC function. The power supply provides a stable output voltage of 48V and a current of up to 2.5A, making it ideal for many industrial and commercial applications.

Main Features of the SDR-120-48 Power Supply

• Output Power: 120W
• Output Voltage: 48V DC (Regulation Range: 48–55V DC)
• Maximum Output Current: 2.5A (up to 3.75A peak for 3 seconds)
• Input Voltage Range: 88–264VAC or 124–370VDC
• High Efficiency: Up to 94%
• Active Power Factor Correction (PFC)
• Advanced Protections: short circuit (SCP), overload (OLP), overvoltage (OVP), thermal (OTP)
• Operation indication: LED
• DC OK relay output
• Cooling: open air circulation
• Operating temperature: -25°C to +70°C
• Dimensions: 40 x 125.2 x 113.5 mm
• Warranty: 3 years

Applications of the SDR-120-48 power supply

The SDR-120-48 power supply is used in industrial automation, PLC control systems, HMI panels, sensors, and transducers. It is also suitable for security systems such as CCTV and alarm systems. The device is used in telecommunications, networking equipment, UPS systems, consumer electronics, vending machines, information kiosks, LED lighting, and in the automotive and energy industries.

Technical Specifications: