• Output Power: 210 W
• Output Voltage: 5 V DC
• Output Current: 42 A
• Input Voltage Range: 60 – 160 V DC
• Efficiency: 88 %
• Ripple & Noise: 100 mVp-p
• Input Current: 2.1 A @ 110 VDC
• No-load Power Consumption: < 1.5 W
• Operating Temperature: -40 °C to +70 °C
• Cooling: Free air convection
• Protection Functions: Short circuit, Overload, Over voltage, Over temperature, Input reverse polarity
• Overvoltage Category: OVC II
• Isolation Voltage: 4000 V DC between input and output
• Dimensions (H x W x D): 40 mm x 216 mm x 114 mm
• Weight: approx. 1000 g
• Safety & EMC Certificates: EN50155, IEC60571, EN45545-2, EAC, CE
• LED Indicator: Power On Indicator
• Manufacturer Warranty: 3 Years

Information about the MEAN WELL RSD-300E-5

The MEAN WELL RSD-300E-5 is a high-reliability 210W DC-DC converter engineered to perform within the strict parameters of railway engineering and heavy industrial automation. This specific "E" variant is designed for an input range of 60V to 160V DC, making it a perfect match for 110V nominal battery systems commonly found in rolling stock. A defining strength of this unit is its extreme power density, delivering a massive 42A of stable 5V output from a low-profile 1U enclosed chassis. This allows it to power complex logic circuits, high-current sensors, and communication hardware in environments where space is strictly limited.

Beyond its electrical capabilities, the RSD-300E-5 is built for survival in volatile environments, featuring a semi-potted internal architecture that provides essential resistance against dust, moisture, and high-vibration (up to 5G). It is fully compliant with the EN50155 railway standard, ensuring it meets the most rigorous safety and durability requirements for transit applications. The fanless design utilizes natural air convection, eliminating mechanical failure points and reducing maintenance overhead. With 4000VDC reinforced isolation and comprehensive short-circuit and thermal protections, this converter is a premier choice for mission-critical systems requiring a dependable, high-current 5V power source.