• Power Output: 90 W
• Output Voltage: 12 V DC
• Output Current: 7.5 A
• Input Voltage Range: 85 – 264 V AC / 120 – 370 V DC, 47 – 63 Hz
• Efficiency: up to 83%
• Ripple & Noise: ≤ 120 mVp-p
• Inrush Current: max. 30 A @115 VAC / 60 A @230 VAC
• No-load Power Consumption: < 0.75 W
• Operating Temperature: −20 °C to +70 °C
• Cooling: Fanless natural convection
• Protections: Short circuit, Overload, Over voltage
• Additional Function: DC OK relay contact for remote monitoring
• Isolation Voltage: 3000 V AC Input to Output
• Dimensions (H x W x D): 100 mm x 55 mm x 90 mm
• Weight: approx. 420 g
• Safety & EMC Certificates: UL508, TUV EN62368-1, Class I Div 2 (Hazardous Locations)
• LED Indicator: Power On indicator
• Manufacturer Warranty: 3 Years

Product Overview for the MEAN WELL MDR-100-12

The MEAN WELL MDR-100-12 is a premium 90W DIN rail power supply engineered for precision and long-term reliability in industrial environments. A standout characteristic of this model is its ultra-low no-load power consumption, making it an ideal choice for energy-conscious "green" applications where efficiency during standby periods is critical. Unlike standard power supplies, the MDR-100-12 features a dedicated DC OK relay contact, providing an active signal for system monitoring and rapid fault diagnostics. Its robust electrical design is complemented by Class I, Division 2 certification, allowing for safe deployment in hazardous locations and specialized machinery. The slim-form factor optimizes cabinet space without compromising thermal performance, as the unit relies entirely on natural convection cooling. This power supply is a top-tier choice for powering PLC systems, communication modules, and sensitive electronic sensors requiring a stable and highly protected 12V DC power source.