ABB SD821 Power Supply Device
Description
ABB SD821 Power Supply Device is a high-performance AC-DC regulated power supply module designed for industrial automation systems, specifically as a core power component for the ABB AC 800M control system. It provides stable, reliable 24V DC power to controllers and I/O modules, supporting continuous operation in complex industrial environments.
| Specification | Value |
|---|---|
| Product Type | AC-DC Regulated Power Supply Module |
| Input Voltage | 115/230V AC, switch selectable; 50/60Hz frequency |
| Maximum Input Current | 25A |
| Output Voltage | 24V DC, regulated with ±1% accuracy |
| Maximum Output Current | 2.5A |
| Output Power | 60W |
| Dimensions | Width 52mm, Height 119mm, Depth 102mm |
| Net Weight | 0.5kg |
| Installation Type | DIN Rail |
| Protection Features | Overcurrent, overvoltage, short circuit protection |
| Efficiency | Over 85% at full load |
Key Features:
- High efficiency and energy saving with advanced switch power technology
- Stable and reliable power output with low ripple noise (less than 50mVpp)
- Fast response time (less than 100ms for load changes) and short startup time (less than 2s)
- Supports parallel load sharing and redundant configuration with SS82x voting units
- Modular design for easy installation and maintenance
- Compatible with ABB PLC and AC 800M control systems
Applications:
- Power supply for industrial control systems, including ABB AC 800M controllers and I/O modules
- Robot and automated production line power support
- Process control systems for continuous operation
- Data center power backup systems
Related Models:
- SB821 External DIN Rail Battery Unit
- SS821 Voting Unit for Redundant Power Configurations
- SS822 Voting Unit for Redundant Power Configurations