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- TK 891F/TK891F
- Communication Cable
- Sweden
- 190 × 165 × 100 mm
- 1.1kg
- 3BDM000201R1
- Xiamen, China
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Product Profile – ABB TK891F / TK 891F (3BDM000201R1)
1. Product Introduction
The TK891F / TK 891F (3BDM000201R1) is a high‑performance multifunctional protection relay designed for advanced power system protection and control. It combines precision measurements, configurable logic, extensive communication interfaces, and a rugged build to meet the demands of industrial, utility, and critical infrastructure applications.
This relay provides integrated protection functions such as overcurrent, earth‑fault, differential and thermal monitoring, along with programmable logic for customized operation. With its modular design and intuitive user interface, the TK891F serves as a key component for system safety, reliability and automated response to abnormal electrical conditions.
2. Brand and Series Information
Brand: ABB Professional Electrical Instruments
Series: TK Series – High-End Protection and Control Relays
The TK Series focuses on advanced protection devices tailored to medium‑ and high‑voltage environments, motor protection, distribution systems, and generator guarding. Devices in this series emphasize configurability, communication flexibility, and long‑term durability.
3. Product Parameters – TK891F (3BDM000201R1)
| Parameter | Specification |
|---|---|
| Model | TK891F / TK 891F (3BDM000201R1) |
| Function | Multifunction Protection Relay |
| Rated Control Voltage | 110–250 V AC/DC |
| Frequency Range | 50 / 60 Hz |
| Relay Outputs | 10 Programmable Outputs |
| Digital Inputs | 8 Digital Inputs |
| Communication Interfaces | Modbus RTU, IEC 61850, Ethernet / TCP/IP |
| Display | High Resolution Backlit LCD |
| Mounting | Panel / DIN Rail |
| Dimensions (mm) | 190 × 165 × 100 |
| Weight (kg) | 1.10 kg |
| Operating Temperature | ‑25°C to +70°C |
| Protection Level | IP20 |
| Compliance Standards | IEC 60255 / IEC 61850 |
| Trip Accuracy | ±1% of Setting |
| Configurable Protection Curves | Yes, fully programmable |
| Event Memory Capacity | 10,000 Events with Time Stamp |
| Power Consumption | ≤ 15 W |
4. Product Applications
The TK891F serves as a versatile protection solution in a variety of electrical environments where reliability and fast fault response are crucial, including:
• Medium voltage switchgear and distribution panels
• Large motor protection in industrial plants
• Transformer protection in substations and distribution networks
• Generator and auxiliary power protection
• Renewable energy and microgrid systems
• Critical power systems in automation, oil & gas, marine, and infrastructure
Its advanced communication and logic functionality make it suitable for integrated control systems, SCADA telemetry, and automation platforms, supporting both centralized and distributed system architectures.
5. Product Advantages
The TK891F delivers several key advantages:
• Comprehensive Protection: Provides multiple protection functions such as overcurrent, earth fault, thermal, and differential protection in one device.
• High Accuracy and Reliability: Precision measurement and configurable trip logic ensure accurate operation and dependable performance under varied conditions.
• Large Event Memory: Stores up to 10,000 detailed events that support post‑fault analysis and diagnostic review.
• Advanced Communication: Built‑in Modbus RTU, Ethernet, and IEC 61850 interfaces enable integration with modern control networks, SCADA and automation systems.
• Flexible Integration: Designed to work in both new installations and retrofit upgrades with standard industrial mounting options.
• User‑Friendly Interface: Clear, high‑resolution backlit LCD and intuitive menus simplify configuration and monitoring.
• Robust Construction: Suitable for industrial environments, with a broad operating temperature range and solid mechanical design.
6. Related Models in the Same Series
Below are five models in the TK Series or related protection relay families that share similarities with the TK891F in function, capability or use:
| Model | Rated Voltage | Outputs | Communication | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| TK890F (3BDM000202R1) | 110–250 V AC/DC | 8 Outputs | Modbus RTU / IEC 61850 | 180 × 160 × 95 | 1.05 kg |
| TK892F (3BDM000208R1) | 110–250 V AC/DC | 10 Outputs | IEC 61850 / TCP/IP | 190 × 165 × 100 | 1.15 kg |
| TK895F (3BDM000210R1) | 110–250 V AC/DC | 12 Outputs | Modbus / Ethernet | 200 × 170 × 105 | 1.25 kg |
| TK888F (3BDM000195R1) | 110–250 V AC/DC | 8 Outputs | Modbus / TCP | 175 × 155 × 95 | 1.00 kg |
| TK880F (3BDM000190R1) | 110–250 V AC/DC | 6 Outputs | RS485 / Ethernet | 170 × 150 × 90 | 0.95 kg |
7. Other Popular Models From the Same Brand
Below are five widely used protection and control models that are popular in industrial and utility systems:
| Model | Application | Communication | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| PR630 | Feeder Protection | IEC61850 | 320 × 240 × 160 | 1.80 kg |
| REX640 | Generator Protection | Dual Ethernet | 300 × 200 × 150 | 1.60 kg |
| REF542plus | Transformer Protection | Modbus / IEC61850 | 350 × 270 × 180 | 2.00 kg |
| RET670 | Transmission Protection | IEC61850 / PRP | 360 × 290 × 180 | 2.10 kg |
| RVC160 | Motor Protection | RS485 | 140 × 100 × 70 | 0.65 kg |
8. FAQ – TK891F
Q1: What is the primary role of the TK891F?
A1: The TK891F is a multifunction protection relay that monitors electrical quantities and provides automated fault detection and isolation to protect assets and systems.
Q2: What is the control voltage range supported?
A2: The device supports a control voltage range of 110–250 V AC/DC to accommodate varied power systems.
Q3: Which communication protocols are embedded?
A3: TK891F supports Modbus RTU, Ethernet/TCP, and IEC 61850 for flexible system connectivity.
Q4: How many programmable outputs are included?
A4: The relay includes 10 programmable relay outputs for flexible control configurations.
Q5: Can TK891F operate in harsh environments?
A5: Yes, it is designed for robust operation between ‑25°C and +70°C, suitable for industrial conditions.
Q6: What types of protection does this relay provide?
A6: It provides overcurrent, earth fault, differential, thermal and programmable logic protections, among others.
Q7: How large is the event memory?
A7: It stores up to 10,000 event records with time stamps for detailed analysis and fault investigation.
Q8: Is the display easy to use?
A8: Yes, the high‑resolution backlit LCD offers clear visibility and intuitive navigation.
Q9: What compliance standards does it meet?
A9: The relay complies with IEC 60255 and supports IEC 61850 communication standards for interoperability.
Q10: Can it be integrated with SCADA systems?
A10: Yes, the integrated communication interfaces allow seamless integration with SCADA and automation systems.