Technical Information & Details for the MEAN WELL RSD-500B-24 Power Supply
- Output Power: 460.8 W
- Output Voltage: 24 V DC
- Output Current: 19.2 A
- Input Voltage Range: 16.8 – 33.6 V DC (24V Nominal)
- Efficiency: 93%
- Ripple & Noise: ≤ 120 mVp-p
- Inrush Current: 30 A (Resistor suppressed with Relay bypass)
- Operating Temperature: −40 °C to +80 °C
- Cooling: Fanless design, half encapsulated, free air convection
- Protection Functions: Short circuit, Overload, Over voltage, Over temperature, Input reverse polarity, Input under voltage
- Overvoltage Category: OVC II
- Isolation Voltage: 4KV DC I/O isolation (Reinforced)
- Dimensions (L x W x H): 237 mm x 100 mm x 41 mm
- Weight: 1.45 kg
- Safety & EMC Certificates: IEC62368-1, UL62368-1, EN50155, EN45545-2, EAC
- LED Indicator: Power On Indicator (Green)
- Manufacturer Warranty: 3 Years
Information about the MEAN WELL RSD-500B-24
The MEAN WELL RSD-500B-24 is a robust 500W-class DC-DC converter specifically engineered for the demanding requirements of railway and transportation systems. Featuring a 1U low profile of 41mm, it integrates seamlessly into space-constrained environments such as 1U chassis or in-car facilities. The unit is fully compliant with EN50155 and EN45545-2 standards, ensuring high reliability against vibration, dust, and fire hazards common in metro, tram, and bus applications. Its half-encapsulated design utilizes silicone potting to protect internal components while allowing for efficient cooling by free air convection without the need for mechanical fans.
Technically, the RSD-500B-24 excels with a high efficiency of 93% and a wide 2:1 input range optimized for 24V nominal battery systems. It provides 4KVdc reinforced I/O isolation and is equipped with advanced safety features, including active inrush current suppression and MOSFET-based reverse polarity protection. With a wide operating temperature range of -40 to +80 °C and the ability to operate at altitudes up to 5000 meters, this power supply is an ideal choice for harsh environment industrial controls, telecommunications, and wireless networks where continuous operation is critical.