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DIN rail power supply 75W 48V SDR-75-48

MEAN WELL is one of the most well-known and respected brands on the switching power supply market. MEAN WELL was founded in 1982 in Taiwan and since then has continuously provided high-quality products for various industries and applications. MEAN WELL offers a wide range of power supplies, including AC/DC, DC/DC, DC/AC, LED, medical, industrial, track and more. MEAN WELL is a leader in technological innovation and has many certificates and awards for its solutions. MEAN WELL is a brand that combines reliability, efficiency, safety and competitive price.

The SDR-75-48 power supply is a DIN rail power supply with a power of 75W and an output voltage of 48V. This power supply is characterized by high efficiency up to 90%, built-in active PFC function, protection against short circuit, overload, overvoltage and too high temperature. The SDR-75-48 power supply can be mounted on a TS-35/7.5 or 15 DIN rail and is compliant with EN61000-3-2, UL 508 and SEMI F47 standards. The SDR-75-48 power supply is ideal for applications in industrial control systems, semiconductor manufacturing equipment, factory automation and electromechanical devices.

SDR-75-48 power supply It has a metal housing with ventilation holes, which ensures good impact resistance and heat dissipation. The SDR-75-48 power supply has two input terminals (L and N) and two output terminals (V+ and V-) that allow easy connection of cables. The SDR-75-48 power supply also has a potentiometer for adjusting the output voltage within the range of ±10%. The SDR-75-48 power supply operates at temperatures from -30°C to +70°C, with the output power decreasing linearly above 50°C. The SDR-75-24 power supply has an LED indicator that indicates the device's operating status.

The main features of the MEAN WELL SDR-75-48 power supply are:

- DIN rail mounting

- Degree of protection IP20

- Input voltage range: 88~264V AC or 124~370V DC

- Built-in active PFC (Power Factor Correction) function improving the power factor

- Efficiency up to 89% and low energy consumption in no-load condition

- Short-circuit, overload, overvoltage and thermal protection

- LED operation indication and DC OK relay connector

-Metal case with ultra-thin 32mm width

- Possibility of parallel operation with other SDR series power supplies

- Cooling with open air circulation

- Operating temperature from -30°C to +70°C

- Mounting on DIN TS35 / 7.5 or 15 rail

- Compliance with a number of standards and certificates, e.g. SEMI F47, EN61000-6-2, EN61000-6-4, EN62368-1

- 3 years manufacturer's warranty (Mean Well)


The SDR-75-48 power supply is a DIN rail switching power supply with a power of 75W and an output voltage of 48V DC. This power supply has a built-in active PFC function that improves power factor and reduces line noise. The SDR-75-48 power supply has an efficiency of up to 90% and can operate at temperatures from -30 to +70°C. This power supply is protected against overload, overvoltage, short circuits and overheating. The SDR-75-48 power supply has an LED indicator and a DC OK relay connector. This power supply can be used to power industrial equipment, automation, telecommunications, LED lighting and other applications requiring a stable and reliable 48V DC voltage source.


Output voltage:


Output power:


Output current:


Peak output current:


Output voltage regulation:

24 - 55V

Input voltage:

180 ~ 264VAC

Operating temperature: 

-25 - +70 C

Overload protection:

Yes (Hiccup)

Surge protection:

Yes (Hold & Restart)

Security certificates:

UL508, TUV EN62368-1 EAC TP TC 004 BSMI CNS14336-1 ;(meet BS EN/EN60204-1)

EMC standards

Compliance to EN55032 (CISPR32), EN61204-3 Class B, EN61000-3-2,-3, EAC TP TC 020, CNS13438 Class B


32 x 125.2 x 102mm




3 Years

20 Items

Data sheet

IP Level
3 Years