• Output Power: 30 W
• Output Voltage: 12 V DC
• Output Current: 2.5 A
• Input Voltage Range: 18 – 72 V DC
• Efficiency: up to 88 %
• Ripple & Noise: ≤ 100 mVp-p
• Isolation Voltage: 4000 V DC I/O isolation (Reinforced)
• No Load Power Consumption: < 0.1 W
• Operating Temperature: −40 °C to +70 °C
• Cooling: Free air convection
• Protection Functions: Short circuit, Overload, Over voltage, Input reverse polarity
• Overvoltage Category: OVC II
• Design Standards: Compliance to EN50155 / EN45545-2 railway standards
• Dimensions (L x W x H): 113 mm x 60 mm x 25 mm
• Weight: approx. 250 g
• Safety & EMC Certificates: CE, UKCA, EAC, CB, IEC/EN 62368-1
• LED Indicator: Power On Indicator
• Manufacturer Warranty: 3 Years

Information on the MEAN WELL RSD-30L-12

The MEAN WELL RSD-30L-12 is a high-reliability 30W enclosed type DC-DC converter specifically engineered to meet the rigorous demands of railway applications and harsh industrial environments. Its standout feature is the ultra-compact 1U low-profile design, which allows for seamless integration into space-constrained control cabinets. This converter is distinguished by its 4:1 wide input range of 18V to 72V DC, ensuring stable performance even during significant voltage fluctuations. With a 4000V DC reinforced I/O isolation and the ability to withstand up to 5G vibration, this unit guarantees maximum safety and structural integrity for mobile installations such as buses, trains, and rapid transit systems.

Beyond its mechanical durability, the RSD-30L-12 excels in energy efficiency and thermal management. It operates with a fanless design, utilizing natural convection to maintain optimal temperatures across a wide operating range of -40 to +70 degrees Celsius. The integration of internal conformal coating provides an essential layer of protection against humidity and dust, making it a "fit-and-forget" solution for telecommunication systems and automation equipment. By adhering to the EN50155 railway standard, MEAN WELL provides a power solution that combines high electrical efficiency of up to 88% with a robust suite of protections, including input reverse polarity and short-circuit recovery, ensuring long-term operational continuity.