Description
The MEAN WELL SD-500L-24 is a reliable 500W-class DC-DC converter power supply designed for demanding industrial, automation, telecommunications, and DC power applications. It provides a regulated 24V DC output at 21A, with a rated output power of 504W.
The SD-500L-24 accepts a wide 19–72V DC input range, making it suitable for systems where the available DC input voltage can vary significantly. The output voltage can be adjusted from approximately 23V to 30V DC, allowing the power supply to be optimized for different connected loads and system requirements.
For dependable operation, the unit incorporates protection against short circuit, overload, overvoltage, overtemperature, and input polarity faults. It also provides 2000VAC input-to-output isolation, helping provide electrical separation between the input and output circuits.
The enclosed metal housing incorporates a built-in DC fan with fan-speed control for forced-air cooling. Additional system integration features include an Output OK signal, remote ON/OFF control, and remote sensing, making the SD-500L-24 suitable for applications requiring monitoring and control of the DC power system.
Key Features
Brand: MEAN WELL
Model: SD-500L-24
Product type: DC-DC Converter
Output voltage: 24V DC
Rated output current: 21A
Rated output power: 504W
Input voltage: 19–72V DC
Adjustable output: 23–30V DC
Enclosed metal housing
Built-in DC cooling fan
Fan-speed control
Remote ON/OFF control
Remote sense function
Output OK signal
Short-circuit protection
Overload protection
Overvoltage protection
Overtemperature protection
Input polarity protection via fuse
2000VAC I/O isolation
3-year warranty according to the manufacturer’s specification.
Typical Applications
Industrial DC power systems
Telecommunications equipment
Automation systems
Control and monitoring equipment
DC battery systems
Mobile and vehicle power systems
Industrial machinery
DC power distribution
Backup and auxiliary power systems
Important: The SD-500L-24 is a DC-DC converter, not a conventional 100–240V AC-input power supply. Its input is 19–72V DC.
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