Overview
The Sola SDN20-24-200 is a high-performance DC power supply from the Sola/Hevi-Duty SDN series, engineered for demanding industrial automation and control applications. This unit converts 208/230 VAC input to a stable 24 VDC output rated for 480W at 20 amps, making it suitable for PLCs, drives, solenoids, sensors, and other critical control devices.
Key Features
- 24VDC Output: 208/230 VAC input only (no selector switch)
- Power Rating: 480W, 6/3A input ratio
- Current Capacity: 20A continuous output
- DIN Rail Mount: Snap-on system for DIN Rail TS35/7.5 or TS35/15 mounting
- Protection & Diagnostics: Protected against continuous short-circuit, continuous overload, continuous open circuit; green LED power-good indicator and DC OK signal
- Operating Temperature: –10 to +60°C full power; with linear derating to half power from 60 to 70°C
- Certifications: UL508 Listed, cULus; UL1950, cRUus; CE (LVD 73/23 & 93/68, EMC 89/336 & 93/68)
Technical Specifications
- Output Voltage: 24 VDC nominal
- Output Current: 20A continuous
- Power Output: 480W
- Input Voltage: 208/230 VAC, single phase
- Input Frequency: 43 to 67 Hz
- Mounting: DIN rail (TS35) snap-on
- Enclosure: Metal case, IP20 rated screw terminals
- Dimensions: 5 in width, 9 in depth, 2-1/2 in height
- Overvoltage Protection: Set @ 32V ± 10%
- Protection Class: Class 1 (IEC536), IP20 (IEC 529) Safe low voltage SELV
Typical Applications
The SDN20-24-200 serves as a reliable power source in industrial control environments including:
- Programmable Logic Controllers (PLCs) and I/O modules
- Variable Frequency Drives (VFDs) and servo motor controllers
- Solenoid valve circuits and pilot-operated controls
- Sensor networks and field instrumentation
- Distributed control systems in manufacturing and process automation
- Machine tool control and automation equipment
Compatibility & Replacements
Compatible With
- DIN rail TS35/7.5 and TS35/15 mounting systems
- Industrial PLC control systems requiring 24VDC logic power
- Rockwell Allen-Bradley, Siemens, Mitsubishi, Omron, and ABB control platforms
- PROFIBUS, PROFINET, EtherNet/IP networks (as auxiliary power supply)
- Emergency shutdown circuits and safety control modules
Replaces / Drop-In Replacement For
- SDN20-24-100 can replace the SDN20-24-200 (same size unit)
- Legacy Sola SDN20 series 480W units
- Direct replacement for original SDN20-24-200 units in existing panels
Works With
- Studio 5000 and CompactLogix platforms (as auxiliary power)
- TIA Portal Siemens engineering software (device integration)
- Parallel operation capable (see optional SDN-PMBRK2 mounting bracket for non-DIN applications)
- DC OK and power-good relay signals for PLC status monitoring
- Current sensing and monitoring outputs for power management








