Product Overview
The ABB SD802F 3BDH000012R1 is a high-reliability redundant power supply module designed for ABB AC 800F and Freelance distributed control systems (DCS). It provides stable 24V DC power to CPUs, I/O modules, and communication interfaces, ensuring continuous operation in mission-critical automation environments.
Engineered for redundancy and long-term industrial use, this power module is widely deployed in process industries where system uptime and electrical stability are essential. Its robust architecture supports seamless power switching, minimizing disruption during power fluctuations or module failure events.
Technical Specifications
| Parameter | Details |
|---|
| Model | SD802F |
| Part Number | 3BDH000012R1 |
| Module Type | Redundant Power Supply |
| System Compatibility | ABB AC 800F / Freelance DCS |
| Input Voltage Range | 85–264 V AC / 110–300 V DC |
| Output Voltage | 24 V DC |
| Output Current | Approx. 2 A |
| Efficiency | Up to 90% |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Dimensions (H×W×D) | Approx. 120 × 100 × 45 mm |
| Weight | Approx. 0.5–1.2 kg (varies by revision) |
Industrial Applications
The SD802F power supply is widely used in automation environments requiring high availability and stable energy distribution. Typical applications include:
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Power generation and utility control systems
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Oil & gas processing facilities
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Chemical and petrochemical plants
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Water treatment and wastewater automation
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ABB AC 800F / Freelance DCS control cabinets
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Industrial modernization and retrofit projects
Its redundant design ensures continuous operation even when one power path fails, making it ideal for safety-critical processes.
Key Advantages
The ABB SD802F stands out for its redundancy architecture, which significantly improves system reliability in industrial automation setups. By providing dual-input support and automatic switching, it reduces the risk of downtime caused by power interruptions.
Its wide input voltage range allows flexible deployment across different global power standards, making it suitable for international industrial installations. The module also features integrated protection mechanisms against overload, short circuit, and voltage instability.
Additionally, its compact and modular design simplifies cabinet installation and maintenance, while its diagnostic capabilities help engineers quickly identify system status and potential issues.
Technical FAQs
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What is the main function of SD802F?
It supplies redundant 24V DC power for ABB DCS systems.
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Which systems is it compatible with?
ABB AC 800F and Freelance control systems.
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Does it support redundancy?
Yes, it is designed specifically for redundant power operation.
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What is the input voltage range?
85–264 V AC or 110–300 V DC.
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What is the output voltage?
24 V DC regulated output.
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Is it suitable for industrial environments?
Yes, it is designed for harsh industrial conditions.
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What is its efficiency level?
Approximately up to 90%.
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What protection features are included?
Overload, short circuit, and voltage monitoring protection.
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Can it be used in retrofit projects?
Yes, it is commonly used in system upgrades and replacements.
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What is its main advantage?
High system availability through redundant power architecture.
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