ABB AI835A
ABB AI835A is a member of the ABB Relion® 670 series of protection and control IEDs (Intelligent Electronic Devices). It is mainly designed for bay control, feeder protection, and power system automation applications in high-voltage and medium-voltage substations.
The AI835A provides integrated protection, control, monitoring, measurement, and communication functions, helping improve grid reliability, fault isolation, and operational efficiency.
Product Type
- Manufacturer: ABB
- Model: AI835A
- Product Family: Relion® 670 Series
- Device Type: Protection & Control Relay / Bay Control Unit
- Application: Feeder protection, bay control, grid automation, recloser control
Technical Description
The ABB REC670 is a flexible protection and control relay designed for electrical substations. It combines multiple protection functions with advanced communication capabilities and can be configured for different network requirements.
Main Features
- Feeder protection and control functions
- Bay control functionality
- Overcurrent and earth-fault protection
- Voltage and frequency supervision
- Circuit breaker control and monitoring
- Disturbance recording and fault analysis
- Event logging and alarm management
- IEC 61850-based substation communication support
Protection Functions
Typical protection functions include:
- Phase overcurrent protection
- Earth fault protection
- Overvoltage / undervoltage protection
- Underfrequency / overfrequency protection
- Breaker failure protection
- Automatic reclosing functions
- Synchronism check functions (depending on configuration)
Communication Interfaces
AI835A supports modern substation communication standards, including:
- IEC 61850 communication
- IEC 61850 GOOSE messaging
- MMS communication
- DNP3 / IEC 60870-5-103 (depending on configuration)
- Ethernet and serial communication interfaces
Application Range
ABB AI835A is widely used in:
- Power transmission substations
- Distribution substations
- Utility grid protection systems
- Industrial power plants
- Renewable energy grid connection systems
- Medium and high-voltage switchgear protection
- Substation automation projects
Typical applications:
- Feeder protection and control
- Incoming/outgoing feeder management
- Grid interconnection protection
- Remote-controlled substations
- Retrofit and modernization of existing protection systems
Advantages
- High reliability for critical power systems
- Integrated protection and control functions
- Flexible hardware and software configuration
- Supports IEC 61850 digital substation architectures
- Fast fault detection and isolation
- Easy integration into ABB automation systems
- Suitable for new installations and retrofit projects
Conclusion
The ABB AI835A is a powerful and reliable protection and control relay for modern electrical substations. With advanced protection functions, bay control capability, and strong communication support, it is an ideal solution for feeder protection, grid automation, and substation modernization applications.

Main Brand:
ABB Allen-Bradley Alstom Bently Emerson Foxboro
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ABB 5SHY series hot selling//large inventory//brand new//affordable price
First hand source, affordable price. Spot inventory!
•Shipping Port: Xiamen
•E-mail: sales7@saulplc.com
•Tel: + 86-15359273796(WhatsApp)
•Ship to you via Fedex/DHL/TNT/UPS/EMS
•Package: Original packing with cartons

ABB 5SHY series hot selling//large inventory//brand new//affordable price
| 5SHY4045L0006 3BHB030310R0001 |
| 5SHY3545L0010 3BHB013088R0001 3BHE009681R0101 GVC750BE101 |
| 5SHY3545L0009 3BHB013085R0001 3BHE009681R0101 GVC750BE101 |
| 5SHY3545L0016 3BHB020720R0002 3BHE019719R0101 GVC736BE101 |
| 5SHY3545L0009 |
| 5SHY3545L0003 |
| 5SHY35L4503 3BHB004693R0001 3BHB004692R0002 5SXE01-0127 |
| 5SHY35L4510 |
| 5SHY35L4520 5SXE10-0181 AC10272001R0101 |
| 5SHY5045L0020 |
FAQ
Q:What is the earliest time when you can make delivery?
A:We will make delivery once received your payment.
Q:If the product can’t work, can it be returned?
A:We provide one year warranty.
Q:How easy is it to obtain items?
A:New are no longer continuously manufactured, and therefore supply is scarce.
However, at SAUL we specialize in sourcing hard-to-find products, and although
the lead time varies, the average is between 5-7 business days.
Q:What is the typical price for the items?
A:SAUL ELECTRIC always gives customers excellent service and prices that are highly competitive.Requirements for delivery and availability do affect pricing.

ABB: Pioneering Electrification & Automation
1. Company Profile
- ABB(Asea Brown Boveri), a Swiss-Swedish multinational headquartered in Zurich, is listed on the Zurich, Stockholm, and NYSE stock exchanges. Formed in 1988 through the merger of ASEA (Sweden) and BBC Brown Boveri (Switzerland), it combines over a century of industrial expertise.
- Core Competencies
- Key Sectors: Delivers cutting-edge electrification, automation, and robotics solutions for industries, energy, transportation, and infrastructure.
- Robotics Spin-off: Announced plans (April 2025) to list its robotics division (2024 revenue: $2.3B) separately by 2026—currently the world’s #2 player after Japan’s Fanuc.
- Innovation & Impact
- Technology Leadership: Global leader in online analytical instruments, e.g., Fourier-transform near-infrared analyzers (6,000+ installations worldwide).
- Sustainability: Drives energy efficiency and circular economy practices to minimize environmental footprints.
ABB: Powering Industrial Transformation
- Corporate Identity
- Formation: 1988 merger of ASEA (1883) and BBC Brown Boveri (1891)
- HQ: Zurich, Switzerland
- Scale: Operates in 100+ countries with ~105,000 employees
- Market Presence: Dual-listed in Europe/North America
2. Strategic Business Units
| Division | Market Position | Key Initiative |
| Electrification | #1 in EV charging infrastructure | Grid digitalization |
| Industrial Automation | Top 3 globally | AI-powered process optimization |
| Robotics & Discrete Automation | #2 worldwide | *2026 spin-off (Post-IPO valuation est. $7-9B)* |
Robotics Spin-off Context: $2.3B revenue segment (2024), targeting public listing to accelerate growth vs. Fanuc (#1).
3. Technology & Sustainability Edge
- Innovation Engine:
- 🏆 World’s largest installer of FT-NIR analyzers(6,000+ units)
- 💡 5,500+ patents held in electrification/automation
4. Market Footprint
- Key Sectors:
- Energy Transition: Renewables integration, HVDC systems
- Transport: Rail electrification, port automation
- Manufacturing: Collaborative robotics (YuMi® series)











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