Technical Information & Details for the MEAN WELL RSD-300C-48 Power Supply
- Output Power: 302.4 W
- Output Voltage: 48 V DC
- Output Current: 6.3 A
- Input Voltage Range: 33.6 – 62.4 V DC
- Efficiency: 91 %
- Ripple & Noise: 200 mVp-p
- Input Current: 7 A @ 48 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-300C-48
The MEAN WELL RSD-300C-48 is a high-performance 300W DC-DC converter meticulously engineered for railway engineering and telecommunication infrastructure. Operating within a 33.6V to 62.4V DC input range, it is perfectly optimized for 48V nominal battery systems used in transit vehicles and remote stations. A significant advantage of this 48V model is its ability to provide stable power over longer cable runs with minimal voltage drop, making it the ideal choice for powering remote sensors, communication hubs, and specialized high-voltage industrial actuators in space-constrained 1U environments.
Built for extreme reliability, the RSD-300C-48 features a ruggedized, semi-potted design that ensures the internal electronics are protected from moisture, dust, and mechanical vibrations up to 5G. It is fully compliant with the EN50155 railway standard and the EN45545-2 fire protection standard, meeting the highest safety benchmarks for public transportation. With 4000VDC reinforced isolation and a fanless architecture that relies on natural air convection, this power supply minimizes mechanical wear and maximizes service life. Its 91% efficiency rating and comprehensive protection suite ensure a safe, energy-efficient, and maintenance-free power solution for mission-critical industrial applications.