• Output Power: 19.8 W
• Output Voltage: 3.3 V DC
• Output Current: 6 A
• Input Voltage Range: 9 – 36 V DC (4:1 Wide Input)
• Efficiency: 77 %
• Ripple & Noise: 100 mVp-p
• Inrush Current: 30 A (typ.)
• No-load Power Consumption: < 0.5 W
• Operating Temperature: −40 °C to +70 °C
• Cooling: Fanless, free air convection (half-encapsulated)
• Protections: Short circuit, Overload, Over voltage, Input reverse polarity
• Isolation Voltage: 4000 V DC reinforced isolation (I/O)
• Dimensions (L x W x H): 113 mm x 60 mm x 25 mm
• Weight: approx. 233.3 g
• Safety & Railway Certificates: EN50155, EN45545-2, UL 62368-1, CB, CE, EAC
• LED Indicator: Power On indicator
• Manufacturer Warranty: 3 Years

Information about the MEAN WELL RSD-30G-3.3

The MEAN WELL RSD-30G-3.3 is a high-performance Railway DC-DC converter engineered to meet the rigorous demands of transit systems and harsh industrial environments. Fully compliant with BS EN/EN50155 and EN45545-2 railway standards, this unit offers exceptional resistance to mechanical shock, vibration, and environmental factors. Its ultra-compact 1U low-profile design stands at only 25 mm high, making it the perfect choice for space-constrained installations, while the 4:1 wide input range of 9 to 36 V DC ensures compatibility with various standard battery voltages and power sources.

Key strengths of the RSD-30G-3.3 include its 4000 V DC reinforced I/O isolation, providing a high level of electrical safety and noise immunity for sensitive downstream components. The half-encapsulated construction facilitates efficient heat dissipation via natural air convection, allowing the converter to operate reliably in extreme conditions ranging from -40 °C to +70 °C. With built-in protection against short circuits, overloads, and reverse polarity, combined with a 3-year manufacturer warranty, this power supply provides an incredibly dependable and durable solution for telecommunications, wireless networks, and industrial automation where failure is not an option.