The SD-350B-24 is a 350W enclosed DC-DC converter designed for industrial automation, telecommunications equipment, transportation systems, and distributed power applications requiring a stable 24VDC output. The unit accepts a wide DC input range and provides highly efficient power conversion with excellent regulation and reliability. Built with a rugged enclosed design and fan-assisted cooling system, it is suitable for continuous operation in demanding environments. The converter includes built-in protection functions such as short circuit, overload, overvoltage, input reverse polarity, and overtemperature protection for enhanced system reliability. Its durable construction and wide operating temperature range make it ideal for industrial and communication applications. General Specifications Parameter Specification Model SD-350B-24 Series SD-350 Power Rating 350W Output Voltage 24VDC Rated Current 14.6A Input Voltage Range 19–72VDC Input Frequency DC Input Efficiency (Typical) 83% No. of Outputs 2 Operation Mode Constant Voltage Operating Temperature -10°C to +60°C Cooling Method Built-in DC Fan Dimensions 215 × 115 × 50mm Weight 1.15kg Protection Short Circuit / Overload / Over Voltage / Reverse Polarity / Over Temperature Certifications UL, TUV, CE, EAC, CB