Power Supply Unit MEAN WELL SDR-75-12 76W Metallic

The MEAN WELL SDR-75-12 is a 76W metallic DIN-rail power supply with a nominal 12V DC output. It accepts a wide AC input range of 88–264V and delivers up to 76W continuous power with 150% peak load capability (112.5W). Designed for industrial and control applications, the unit features metal housing, compact dimensions (32 mm width, 102 mm depth) and meets EN60950-1 and UL508 safety standards. Cooling is provided by free air convection and the product undergoes a 100% full-load burn-in test to ensure reliability; MTBF is specified at 481,900 hours.

Advantages

The SDR-75-12 offers high conversion efficiency (up to 90%) with low heat dissipation, a compact metallic form factor suitable for DIN rail TS-35/7.5 or 15 mounting, and robust protection functions including short-circuit, overload, over-voltage and over-temperature protection. Its 150% peak load capability supports transient loads, while the full-load burn-in and high MTBF increase operational reliability.

Suitable for

• Industrial control cabinets and automation systems
• PLC and relay panels
• Security and access control equipment
• Communication and networking devices in industrial environments

Key specifications

• Model: MEAN WELL SDR-75-12 (MPN: SDR-75-12, EAN: 4021087017886)
• Output: 12V DC, 76W continuous
• Peak output: 150% (112.5W)
• Input voltage: 88–264V AC
• Efficiency: up to 90%
• Cooling: free air convection
• Mounting: DIN rail TS-35/7.5 or 15
• Safety standards: EN60950-1, UL508
• Dimensions (W×D): 32 mm × 102 mm; Weight: 510 g
• MTBF: 481,900 hours
• Protections: short circuit, overload, over-voltage, over-temperature

How to use

Install the SDR-75-12 on a TS-35/7.5 or TS-35/15 DIN rail inside a control cabinet or enclosure. Connect the AC input within the 88–264V range to the input terminals, and take the 12V DC output from the designated output terminals. Ensure correct polarity and tighten terminals to the manufacturer’s torque specifications. Allow adequate ventilation around the unit for convection cooling and avoid mounting near heat sources.

Usage recommendations

For reliable operation, size the power supply to allow headroom for startup currents and transient peaks (use the 150% peak capability as temporary margin only). Perform wiring according to local electrical codes and maintain ambient temperature within the device’s specified operating range. Periodically inspect terminal connections and ensure the enclosure provides sufficient ventilation.