Technical Information & Details for the MEAN WELL RSD-300B-24 Power Supply
- Output Power: 300 W
- Output Voltage: 24 V DC
- Output Current: 12.5 A
- Input Voltage Range: 16.8 – 40 V DC
- Efficiency: 90 %
- Ripple & Noise: 150 mVp-p
- Input Current: 13.5 A @ 24 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-300B-24
The MEAN WELL RSD-300B-24 is a highly efficient 300W DC-DC converter specifically engineered for railway applications and heavy-duty industrial systems operating on a 24V nominal battery. This "B" series variant features a wide 2:1 input range of 16.8V to 40V DC, providing a stable and regulated 24V output even during significant source voltage drops. One of its standout unique characteristics is the ultra-compact 1U low-profile design, which allows for effortless integration into shallow enclosures or high-density electronic racks where vertical space is at a premium.
Designed for maximum resilience in harsh environments, the RSD-300B-24 is equipped with a semi-potted internal structure that offers superior protection against dust, moisture, and mechanical vibrations up to 5G. It is fully compliant with the EN50155 railway standard and the EN45545-2 fire protection standard, ensuring long-term safety and reliability in transit applications. The 90% efficiency rating and fanless architecture utilize natural air convection for cooling, significantly reducing maintenance needs and extending the operational lifespan. With its 4000VDC reinforced isolation and comprehensive protective suite, this converter is a premier, maintenance-free power solution for mission-critical automation and rolling stock systems.