MEAN WELL DDR-15G-15 DIN Rail Power Supply 15W 15V 1A Ultra-Wide Input

Industrial and railway applications often face unstable DC input voltages, from 14.4 to 150 VDC, making standard power supplies unreliable. The MEAN WELL DDR-15G-15 solves this by accepting an ultra-wide DC input range and delivering a stable 15 VDC output at up to 1 A, ensuring your sensitive equipment operates without interruption.

Who is it for

This DIN rail power supply is ideal for system integrators, railway engineers, and industrial automation specialists who need a compact, reliable power source for control panels, sensors, and communication devices in harsh environments. Its compliance with EN50155 and EN45545-2 makes it perfect for rolling stock and trackside applications.

Main features

• Ultra-wide 14.4–150 VDC input range for flexible system design
• Stable 15 VDC output with 1 A current, 15 W total power
• High efficiency up to 87%, reducing energy waste and heat
• Full protection: short circuit, overload, over voltage, input reverse polarity
• Wide operating temperature range from -40°C to +85°C
• DIN rail mountable (TS-35/7.5 or TS-35/15) for quick installation
• Compact size and free air convection cooling for silent operation
• Certified to UL 62368-1, CE, and EAC; railway compliant to EN50155 and EN45545-2

Specifications

• Power rating: 15 W
• Input voltage range: 14.4–150 VDC
• Output voltage: 15 VDC
• Output current: 1 A
• Efficiency: up to 87%
• Isolation voltage: 4000 VDC
• Ripple & noise: 100 mVp-p max
• Line regulation: ±0.5%
• Load regulation: ±1.0%
• MTBF: >1,000,000 hours
• Operating temperature: -40°C to +85°C
• Cooling: free air convection
• Connectors: screw terminals (input and output)
• Protections: short circuit, overload, over voltage, input reverse polarity
• Certifications: UL 62368-1, CE, EAC, EN50155, EN45545-2

Tips

Ensure proper ventilation around the unit to maintain optimal performance, especially at high ambient temperatures. For railway applications, verify that the input voltage fluctuations stay within the specified range to avoid triggering protective shutdowns. Use appropriate wire gauges for screw terminals to ensure secure connections and minimize voltage drop.