• Output Power: 300 W
• Output Voltage: 32 V DC
• Output Current: 9.37 A
• Input Voltage Range: 250 – 1500 Vdc (6:1 ultra-wide input)
• Efficiency: Up to 91%
• Ripple & Noise: ≤ 240 mVp-p
• Inrush Current: Max 500 A @ 1500 Vdc (Cold start)
• Operating Temperature: −40 °C to +80 °C (Derating above +55 °C)
• Cooling: Fanless design, free air convection
• Protection: Short circuit, Overload, Over voltage, Over temp, DC input reverse polarity, Under voltage lockout
• Over Voltage Category: OVC II
• Isolation Voltage: 4 kV AC reinforced isolation (I/O)
• Operating Altitude: Up to 5000 meters
• Dimensions (L x W x H): 237 mm x 100 mm x 41 mm
• Weight: Approx. 1.1 kg
• Safety Standards: UL1741, IEC62109-1, BS EN/EN62109-1, CSA C22.2
• Voltage Adj. Range: 30 V – 36 V DC
• Manufacturer Warranty: 3 Years

Information about the MEAN WELL RSDH-300-32

The MEAN WELL RSDH-300-32 is a high-reliability power solution engineered to meet the stringent demands of high-voltage renewable energy applications. Featuring a market-leading 6:1 ultra-wide input range of 250 to 1500 Vdc, this DC-DC converter is optimized for direct integration with large-scale solar arrays and wind power generation systems. Its fanless, half-encapsulated design ensures long-term durability and maintenance-free operation through free air convection, even in harsh environments with temperatures ranging from -40 °C to +80 °C. Safety is prioritized through 4 kV AC reinforced I/O isolation and a high tolerance for surge inputs up to 1700 Vdc, protecting connected equipment from electrical instability. Fully compliant with UL1741 industrial standards and certified for operation at altitudes up to 5000 meters, the RSDH-300-32 is exceptionally suited for mission-critical infrastructure such as Energy Storage Systems (ESS), DC charging piles, and centralized DC bus networks. The 1U low-profile form factor and adjustable output range of 30-36V make it a versatile component for space-constrained semiconductor fabrication and electromechanical apparatus.