ABB SD821 Power Supply Module
Description
ABB SD821 Power Supply Module is a high-performance AC-DC regulated power supply module designed by ABB for the AC 800M control system. It serves as a core power component, providing stable 24V DC power to controllers and I/O modules to ensure continuous operation of industrial automation systems under complex working conditions. It also offers power backup and switching functionality, quickly switching to backup power during main power failures to prevent production interruptions.
| Specification | Value |
|---|---|
| Model Number | SD821 (3BSC610037R1) |
| Product Type | AC-DC Regulated Power Supply Module |
| Input Voltage | 115/230V AC (switch selectable) |
| Input Frequency | 50/60Hz |
| Output Voltage | 24V DC (regulated) |
| Output Current | 2.5A (rated) |
| Output Power | 60W |
| Efficiency | >85% (full load) |
| Protection Features | Overcurrent, overvoltage, short circuit |
| Mounting Type | Standard DIN rail |
| Protection Class | IP20 |
| Switching Time | Millisecond level |
Key Features:
- High reliability with premium components and compliance with EN 50178, EN 61131-2, and UL 508 standards
- Fast millisecond-level switching between main and backup power to avoid production interruptions
- Modular design for easy installation, maintenance, and flexible expansion
- Supports parallel load sharing and redundant configuration for enhanced system reliability
- Compatible with ABB PLC and AC 800M control system products
- Multiple protection functions including overcurrent, overvoltage, and short circuit protection
- Supports multiple communication protocols for remote monitoring and management
Applications:
- Process control systems to ensure stable operation of critical equipment
- Machine automation for power supply to machine tools, robots, and other automated devices
- Data centers for reliable power backup solutions
- Industrial automation control scenarios requiring continuous, stable power
Related Models:
- SD822
- SD832
- SD833