• Output Power: 300 W
• Output Voltage: 24 V DC
• Output Current: 12.5 A
• Input Voltage Range: 67.2 – 143 V DC
• Efficiency: 91 %
• Ripple & Noise: 150 mVp-p
• Input Current: 3.1 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-300F-24

The MEAN WELL RSD-300F-24 is a specialized 300W DC-DC converter designed to provide a highly stable 24V supply within the demanding railway and transit sectors. This model is characterized by its ultra-compact 1U profile, allowing it to fit into shallow enclosures and high-density electronic racks. One of its primary strengths is the 91% peak efficiency, which significantly reduces waste heat and enables the unit to operate reliably using only natural air convection. This fanless design is critical for environments where dust or mechanical fan failure could jeopardize system uptime.

Engineered for maximum durability, the RSD-300F-24 features a semi-potted internal structure that provides a protective barrier against moisture, dust, and high-level vibrations (up to 5G). It is fully compliant with the EN50155 railway standard, making it suitable for rolling stock, trackside signaling, and telecommunication hubs. The 4000VDC reinforced isolation ensures that sensitive downstream logic controllers and sensors are isolated from the high-voltage fluctuations of the primary DC bus. This combination of ruggedized hardware and high electrical safety makes it a top-tier solution for heavy-duty industrial automation and mission-critical transport infrastructure.