Technical Information & Details for the MEAN WELL RSD-300C-12 Power Supply
- Output Power: 300 W
- Output Voltage: 12 V DC
- Output Current: 25 A
- Input Voltage Range: 33.6 – 62.4 V DC
- Efficiency: 89 %
- Ripple & Noise: 120 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-12
The MEAN WELL RSD-300C-12 is a robust 300W DC-DC converter specifically designed for 48V DC nominal systems, making it a staple in railway engineering and telecommunications. Featuring a wide 2:1 input range of 33.6V to 62.4V DC, this converter ensures a highly stable 12V output despite the significant voltage fluctuations typically found in rolling stock battery networks. Its ultra-compact 1U low-profile design is one of its most unique characteristics, allowing it to be integrated into space-critical control cabinets and slim electronic racks where traditional bulky power supplies simply cannot fit.
Engineered for maximum endurance in harsh operational environments, the RSD-300C-12 boasts a semi-potted internal architecture that provides superior protection against 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 transit and heavy industrial use. The unit utilizes free air convection cooling and an efficient 89% energy conversion rate, eliminating the need for maintenance-heavy fans. With its 4000VDC reinforced isolation, this converter offers a highly secure and durable power solution for signaling systems, onboard communication hubs, and automated industrial control units.