• Output Power: 30 W
• Output Voltage: 5 V DC
• Output Current: 6 A
• Input Voltage Range: 18 – 72 V DC (4:1 Wide Input)
• Efficiency: up to 90%
• Ripple & Noise: ≤ 70 mVp-p
• Inrush Current: max. 20 A @ 48 VDC
• Isolation Voltage: 4000 V DC (Reinforced Isolation)
• Operating Temperature: −40 °C to +70 °C
• Cooling: Fanless natural convection
• Protections: Short circuit, Overload, Over voltage, Input reverse polarity
• Unique Feature: Semi-potted for vibration resistance (5G)
• Dimensions (L x W x H): 113 mm x 60 mm x 25 mm
• Weight: approx. 250 g
• Safety & EMC Certificates: EN50155, EN45545-2 (Railway), UL 62368-1, CE, EAC
• LED Indicator: Power On Indicator
• Manufacturer Warranty: 3 Years

Information about the MEAN WELL RSD-30L-5

The MEAN WELL RSD-30L-5 is a high-reliability DC-DC converter engineered to meet the stringent demands of railway applications and industrial automation. Fully compliant with EN50155 and EN45545-2 railway standards, it ensures maximum safety and fire protection in rolling stock and public transport systems. Its versatile 4:1 wide input range (18V to 72V) provides a stable 5V output for sensitive sensors and control units. The ultra-compact 1U low profile, standing at just 25mm tall, makes it perfect for space-constrained installations where every millimeter counts.

A key technical advantage is the semi-potted design using silicone, which shields the electronic components from humidity, dust, and mechanical vibrations up to 5G. The reinforced 4000V DC I/O isolation offers superior protection for connected equipment against electrical surges. Operating entirely via natural air convection, this fanless unit provides silent and maintenance-free service across an extreme temperature spectrum from -40 °C up to +70 °C. With integrated MOSFET reverse polarity protection and constant current limiting, the RSD-30L-5 represents a robust and dependable power solution for modern communication and transportation technology.