



Introduction
The ABB SD831 3BSC610064R1 Power Supply is a reliable industrial power module engineered to deliver stable and efficient DC power for ABB automation systems. Designed for use within ABB’s modular PLC and control platforms, the SD831 provides dependable 24 V DC output with excellent regulation, low noise, and long-term operational stability.
Built to withstand the rigors of industrial environments, this power supply supports complex automation tasks by ensuring clean power delivery to critical control components. Its rugged construction, standardized form factor, and compliance with global safety standards make it a trusted choice for engineers and system integrators.
Technical Specifications
| Specification | Details |
|---|
| Manufacturer | ABB |
| Model | SD831 |
| Part Number | 3BSC610064R1 |
| Product Type | Industrial Power Supply Module |
| Output Voltage | +24 V DC |
| Rated Output Current | 5 A (typical) |
| Power Output | ~120 W |
| Input Voltage | 100–240 V AC, 50/60 Hz |
| Input Current | 1.2 A (max) |
| Efficiency | High-efficiency design |
| Ripple/Noise | Low (industrial-grade) |
| Operating Temperature | 0…55 °C |
| Storage Temperature | -25…85 °C |
| Cooling | Convection (no fan) |
| Mounting | DIN-rail or panel mounting |
| Protection | Overload, short-circuit, overvoltage |
Applications
The SD831 power supply is widely used in industrial automation and control systems for:
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PLC and distributed I/O power provisioning
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Control panel installations in manufacturing plants
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Machine tools and robot cells
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Building automation and facility control systems
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Process automation (chemical, food processing, energy)
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Powering sensors, HMIs, communication modules, and controllers
It is particularly effective where reliable 24 V DC power is essential for system uptime and machinery performance.
Advantages
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Stable 24 V Output – Delivers consistent DC power with minimal ripple for sensitive electronic loads.
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Wide Input Voltage Range – Compatible with global AC supply standards (100–240 V).
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Industrial Durability – Constructed for continuous operation in demanding conditions.
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Protection Features – Includes overload and short-circuit protection to safeguard connected components.
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Fan-less Cooling – Convection cooling reduces maintenance and improves reliability.
This combination of features ensures the SD831 provides dependable power in control systems requiring robust 24 V DC supply.
Technical FAQs
1. What is the output voltage of this power supply?
It provides a regulated +24 V DC output.
2. How much current can it deliver?
It typically delivers up to 5 A of DC output current.
3. What input voltage range does it accept?
It accepts a wide input range of 100–240 V AC at 50/60 Hz.
4. Does it include protection features?
Yes — it includes overload, short-circuit, and overvoltage protection.
5. Is active cooling required?
No — it uses convection cooling, eliminating the need for fans.
6. What environments is it suitable for?
It is suited for industrial control cabinets and automation environments.
7. Can it power PLC and I/O modules?
Yes — it is ideal for powering PLCs, I/O modules, HMIs, and communication units.
8. What are the operating temperature limits?
It operates reliably between 0…55 °C.
9. How is it mounted?
It mounts conveniently on DIN-rails or inside control panels.
10. Is this compatible with global installations?
Yes — its wide input range enables use in many international regions.