ABB 3EST125-975 DCC2382A

Description

Product Description

Product Parameters

• Brand & Model: ABB, 3EST125-975 DCC2382A
• Device Type: Digital Control & Protection Module for PLC Systems
• Power Supply: 110–240V AC/DC, with ±15% voltage tolerance
• Control Function: Digital logic control, sequential control, PID regulation
• Protection Functions: Overcurrent protection, under/overvoltage protection, overload protection, short-circuit detection
• Input/Output Channels: 16 digital inputs, 12 digital outputs, 8 analog inputs (4–20 mA), 4 analog outputs (4–20 mA)
• Response Time: ≤ 0.15 ms (digital signals), ≤ 0.3 ms (analog signals)
• Communication Protocols: IEC 61850, Profinet, Ethernet/IP, Modbus TCP, RS-485
• Communication Ports: 2 x Gigabit Ethernet ports, 1 x RS-485 serial port, 1 x USB configuration port
• Operating Temperature: -40°C to +70°C
• Protection Rating: IP20 (per IEC 60529 standard)
• Dimensions (W × D × H): 85 mm × 120 mm × 155 mm
• Weight: 0.48 kg
• Compatible PLC Systems: ABB AC 800M, ABB AC 800XA, ABB Freelance 4000, third-party PLCs (Siemens, Rockwell)
• Certifications: CE, UL, CSA, ATEX, IECEx

Advantages and Features

1. Integrated Control & Protection: ABB 3EST125-975 DCC2382A combines advanced digital control and comprehensive protection functions in a single module, eliminating the need for separate control and protection devices, reducing system complexity, and lowering equipment costs.
2. Ultra-Fast Response Speed: With a response time as low as ≤ 0.15 ms for digital signals, ABB 3EST125-975 DCC2382A can quickly detect and respond to abnormal operating conditions, ensuring timely protection of critical equipment and preventing costly downtime.
3. IEC 61850 Compliance: The module fully supports the IEC 61850 standard for substation automation, enabling seamless integration into smart grid and industrial power distribution systems, and facilitating interoperability with other intelligent devices.
4. Rugged Industrial Design: Equipped with EMC Class 4 electromagnetic interference protection and a wide operating temperature range, ABB 3EST125-975 DCC2382A maintains reliable performance in harsh environments such as power plants, chemical refineries, and mining sites.
5. Easy Configuration & Diagnostics: Compatible with ABB’s Control Builder M and IEC 61850 configuration tools, the module allows intuitive parameter setting and real-time diagnostic monitoring. Built-in self-test functions simplify fault identification and troubleshooting.

Application Cases in Industry

• Power Generation: ABB 3EST125-975 DCC2382A is widely used in thermal power plants, hydropower stations, and solar PV farms to control and protect generators, transformers, and power transmission lines. It ensures stable power output and safeguards equipment from electrical faults.
• Oil & Gas Industry: In oil refineries and offshore drilling platforms, the module manages the control logic of pumping systems, compression units, and pipeline valves. Its integrated protection functions prevent equipment damage caused by voltage fluctuations and overloads.
• Manufacturing Industry: In large-scale manufacturing facilities, ABB 3EST125-975 DCC2382A controls industrial motors, HVAC systems, and production line power distribution. It optimizes energy consumption and ensures continuous operation of critical production equipment.
• Infrastructure & Smart Grid: For urban power distribution networks and smart grid projects, the module enables remote monitoring and control of switchgear, distribution transformers, and load centers. It supports the digital transformation of power infrastructure with IEC 61850 interoperability.

Comparison with Competitors

Selection Suggestions

1. Match Power Control Needs: ABB 3EST125-975 DCC2382A is ideal for projects requiring integrated control and protection of high-voltage equipment, such as power plants, oil refineries, and large manufacturing facilities that demand high reliability and fast fault response.
2. Verify Protocol Compatibility: Confirm that your existing automation system supports the module’s communication protocols (especially IEC 61850 for power applications) to ensure seamless integration with ABB 3EST125-975 DCC2382A.
3. Evaluate Operating Environment: If the module will be deployed in extreme temperatures, high-electromagnetic-interference areas, or harsh industrial sites, its rugged design and wide operating temperature range make it a superior choice compared to competitors with narrower environmental adaptability.
4. Consider Smart Grid Integration: For smart grid and substation automation projects, the IEC 61850 compliance of ABB 3EST125-975 DCC2382A ensures interoperability with other intelligent devices, supporting long-term system scalability and digital transformation.

Precautions

1. Installation: When installing ABB 3EST125-975 DCC2382A, maintain a safe distance from high-voltage cables and equipment to avoid electromagnetic interference. Use shielded Ethernet and signal cables to ensure stable communication and accurate signal transmission.
2. Calibration: Perform regular calibration of the module’s analog input/output channels using standard calibration tools to maintain measurement accuracy. Follow ABB’s official calibration procedures to avoid incorrect parameter settings.
3. Firmware Update: Keep the module’s firmware updated to the latest version via ABB’s official software to ensure access to new features and security patches. Avoid unauthorized firmware modifications that may cause system malfunctions.
4. Storage: Prior to installation, store ABB 3EST125-975 DCC2382A in its original packaging in an environment with a temperature of 5°C to 35°C and relative humidity ≤ 60%. Protect it from mechanical impact, moisture, and direct sunlight.
5. Certification Compliance: For use in explosive environments (e.g., oil refineries, coal mines), confirm that the module holds valid ATEX and IECEx certifications to meet on-site safety regulations.

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