SD-100A-5

Technical Information & Details for MEAN WELL RSD-30G-12 Power Supply Output Power: 30 W Output Voltage: 12 V DC Output Current: 2.5 A Input Voltage Range: 9 – 36 V DC (4:1 Wide Input) Efficiency: 84 % Ripple & Noise: ≤ 60 mVp-p Inrush Current: 20 A @ 24 VDC 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. 250 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-12 The MEAN WELL RSD-30G-12 is a professional-grade Railway DC-DC converter engineered to withstand the most rigorous conditions found in transit systems and heavy industrial applications. This unit is distinguished by its full compliance with EN50155 and EN45545-2 railway standards, ensuring high reliability against mechanical shock, vibration, and stringent fire safety requirements. Its ultra-compact 1U low-profile design, with a height of only 25 mm, makes it the ideal choice for space-limited modern installations, while the 4:1 wide input range from 9 to 36 V DC allows for flexible use across various standard battery voltages used in the railway industry. A key strength of the RSD-30G-12 is its half-encapsulated design, which protects internal components from dust and high humidity while facilitating cooling through natural air convection, eliminating the need for failure-prone fans. The 4000 V DC reinforced isolation provides an exceptionally high level of safety and noise immunity for downstream electronic circuits. Equipped with comprehensive protections including input reverse polarity protection and a built-in constant current limiting circuit, and backed by a 3-year manufacturer warranty, this converter offers a highly durable and dependable power solution for telecommunications, wireless networks, and critical automation infrastructure.