Product Description:2TLA020070R4600

1. Advanced Fault Protection:

   • The relay provides overcurrent protection (both instantaneous and time-delayed), helping to prevent damage from overloads or short-circuit conditions.
   • It also offers earth fault protection, which is critical for detecting leakage currents and preventing damage from faults to ground.
   • The voltage protection feature ensures that electrical systems operate within safe voltage limits by detecting both overvoltage and undervoltage conditions.

2. Thermal Overload Protection:

   • The relay includes thermal overload protection to monitor the thermal state of electrical equipment, especially motors, and to ensure that devices do not overheat due to sustained overload conditions.

3. Flexibility and Customization:

   • The 2TLA020070R4600 relay is highly customizable, with adjustable protection settings for time delays, current thresholds, and other operational parameters. This allows it to be adapted for different applications and system configurations.
   • The relay can be programmed to suit different types of equipment and protection schemes, such as coordination with other protection devices or selective tripping to isolate faults without affecting the entire system.

4. Monitoring and Diagnostics:

   • It includes advanced monitoring features, providing real-time feedback on system parameters such as current, voltage, and fault status.
   • The relay also has diagnostic capabilities, allowing it to log fault events and operational data for analysis and troubleshooting.

5. Communication Integration:

   • The 2TLA020070R4600 supports modern communication protocols such as Modbus RTU/TCP, IEC 61850, and DNP3. These protocols allow the relay to be integrated into SCADA systems, enabling remote monitoring, control, and diagnostics, which is essential for modern industrial automation and utilities.

6. User Interface:

   • The relay features an intuitive user interface with a digital display that provides easy access to configuration settings, fault reports, and system diagnostics.
   • Depending on the model, the relay may offer both local and remote control options, allowing operators to monitor and adjust settings as needed.

7. Protection for Critical Systems:

   • The relay is ideal for protecting critical systems such as motors, transformers, generators, and power distribution networks. In applications where system uptime is crucial, the 2TLA020070R4600 helps ensure that electrical faults are detected and isolated quickly, minimizing the risk of downtime and equipment damage.

Features:2TLA020070R4600

• • Instantaneous Overcurrent Protection: Provides rapid response to short-circuit conditions, helping to minimize damage and isolate faults immediately.
  • Time-Delayed Overcurrent Protection: Offers time delay settings for overload conditions, which allows coordination with other protection devices and avoids nuisance tripping during temporary current surges.
  • Adjustable time-current characteristics to meet different system coordination and protection requirements.

• Earth Fault Protection

  • Sensitive Earth Fault Detection: Monitors leakage currents and can trip the system if an earth fault is detected, protecting against ground faults that could lead to equipment damage or safety hazards.
  • Adjustable Earth Fault Sensitivity: The sensitivity level can be customized based on system requirements, ensuring optimal fault detection without unnecessary trips.

• Voltage Protection

  • Undervoltage Protection: Detects low voltage conditions that could cause malfunction or damage to sensitive equipment. The relay can be set to trip the circuit if voltage falls below a set threshold.
  • Overvoltage Protection: Monitors voltage levels and trips the circuit if the voltage exceeds predefined limits, protecting equipment from potential damage due to excessive voltage.
  • Voltage Imbalance Protection: In systems with three-phase equipment, the relay can detect phase unbalance or phase loss, providing protection against conditions that could harm motors or other equipment.

• Thermal Overload Protection

  • Motor Protection: Monitors the thermal state of motors and other temperature-sensitive equipment. The relay can trigger a trip if the equipment exceeds safe temperature limits due to sustained overload conditions.
  • Thermal Memory: The relay keeps track of the thermal condition over time, providing protection that takes into account both short-term and long-term overloads.

• Differential Protection (If Applicable)

  • Transformer Differential Protection: Offers protection against faults within transformers by comparing the input and output currents. If an imbalance is detected, the relay trips the transformer to prevent damage.
  • Advanced Fault Detection: The relay provides high sensitivity for differential protection, ensuring reliable fault detection in complex equipment such as transformers.

• Communication Capabilities

  • Modbus RTU/TCP: Allows the relay to communicate over RS-485 or Ethernet networks using the Modbus protocol for data exchange, monitoring, and control.
  • IEC 61850 Compliance: Enables seamless integration into IEC 61850-based smart grids and communication with other protection devices using GOOSE messaging, enhancing system coordination and automation.
  • DNP3 Protocol Support: Ideal for utility and remote operations, the relay supports the DNP3 protocol for interoperability with SCADA systems, enabling remote monitoring, control, and diagnostics.

• Adjustable Time-Delay Settings

  • The relay allows for customizable time delay settings for overcurrent, earth fault, and voltage protection. This flexibility ensures selective tripping and system coordination to avoid unnecessary shutdowns and protect only the affected sections of the system.
  • Inverse Time Characteristics: The relay can be set with inverse time-current curves, allowing for more effective protection of equipment under overload conditions.

• User-Friendly Interface

  • LCD Display and LED Indicators: The relay features an easy-to-read LCD display that provides real-time monitoring of system parameters (such as current, voltage, and fault status) and fault history.
  • Control Buttons: The display includes control buttons that allow for easy configuration, adjustments, and fault diagnostics directly on the relay.
  • Local and Remote Access: Depending on the model, the relay can be operated and configured locally or remotely via communication protocols (e.g., Modbus, IEC 61850).

• Event Logging and Fault Diagnostics

  • Event Logging: The relay records fault events and system statuses, including trip data, fault type, and time of occurrence, which can be accessed for post-fault analysis and troubleshooting.
  • Fault History: Stored fault history provides a useful diagnostic tool to help operators understand the nature of faults and prevent future occurrences.
  • Data Storage: Data such as current, voltage, and fault event information can be stored and retrieved for maintenance, troubleshooting, and system performance analysis.

• Relay Outputs and Control

  • Relay Output Contacts: The relay provides NO/NC contacts for controlling circuit breakers, alarm systems, or other external devices based on protection and fault conditions.
  • Selectable Output Configurations: Output contacts can be customized to meet the specific needs of the application, allowing for integration with control systems or automation processes.
  • Alarm Outputs: Separate alarm outputs can be set for various protection functions (e.g., overcurrent, undervoltage) to notify operators of fault conditions.

• High Sensitivity and Selectivity

  • The relay is designed with high sensitivity for detecting even small faults or anomalies, ensuring that equipment is protected against both large faults and minor operational issues.
  • Selective Tripping: The relay can be configured for selective tripping, ensuring that only the faulted section of the system is isolated, minimizing disruption to the overall system.

• Flexible Mounting and Enclosure Options

  • The ABB 2TLA020070R4600 relay can be mounted in various configurations, including DIN rail mounting or panel mounting, depending on the installation requirements.
  • It is available with IP20 or higher enclosure ratings, providing flexibility for installation in different environments (from standard indoor settings to harsher industrial conditions).

• Compliance with Industry Standards

  • The relay complies with key international standards for protection and control relays, such as IEC 60255, ensuring reliable and safe operation in accordance with global best practices and electrical codes.

Technical Parameters:2TLA020070R4600

Applications:2TLA020070R4600

• Feeder Protection: Used in electrical distribution networks to protect feeders against overcurrent, earth faults, and voltage disturbances. It helps isolate faulted sections of the network, preventing cascading failures and minimizing downtime.
• Transformer Protection: Provides protection for transformers by detecting overcurrent, earth faults, and voltage imbalances. The relay helps prevent damage to transformers caused by fault conditions, ensuring the safety and longevity of the transformer.
• Grid Protection: In both medium-voltage and high-voltage distribution grids, the relay can monitor and protect key equipment, ensuring stable and reliable power delivery to end users.
• Motor Protection: The relay is ideal for protecting induction motors, synchronous motors, and other motor-driven loads. It can detect thermal overloads, phase loss, voltage unbalances, and short-circuits, preventing motor damage and ensuring safe operation in automated industrial environments.
• Pump and Fan Protection: In industries such as oil and gas, chemical, and water treatment, the relay provides protection for critical pumps and fans that must run without interruption. The relay detects faults that could cause operational failure and ensures timely disconnection to protect the equipment.
• Process Control Systems: The relay is suitable for protecting control circuits and switchgear in industrial automation systems. Its ability to detect and respond to faults helps ensure minimal disruption to production processes.
• Solar Power Systems: In photovoltaic (PV) installations, the relay protects inverters, transformers, and other equipment from faults such as overvoltage, undervoltage, and earth faults. It helps maintain system stability and prevents damage to sensitive components.
• Wind Turbine Protection: For wind farms, the relay protects electrical components like generators, transformers, and inverters from faults, ensuring that wind turbine systems operate within safe parameters and continue producing power reliably.
• Energy Storage Systems (BESS): The relay can be used in battery energy storage systems to protect battery banks and inverters from overloads, short circuits, and other faults that could damage the system or reduce efficiency.
• UPS Systems Protection: In uninterruptible power supply (UPS) systems used in data centers or hospitals, the relay protects against faults like overcurrent, earth faults, and voltage abnormalities, ensuring uninterrupted power supply to critical systems.
• Backup Power Protection: For emergency backup power systems like diesel generators and synchronous generators, the relay ensures that these systems are protected from overloads and short circuits during power outages.
• HVAC Systems Protection: In data centers and industrial facilities, the relay can protect key HVAC equipment (e.g., air conditioning units and chillers), ensuring that these systems continue to operate within safe limits, avoiding overheating and failure.
• Generator Protection: In power plants, the ABB 2TLA020070R4600 provides protection for generators, ensuring that they are protected from faults such as overcurrent, overload, earth faults, and voltage imbalances. This is critical for maintaining stable power generation.
• Auxiliary Systems Protection: Protects auxiliary systems in power plants, such as pumps, fans, and transformers, ensuring smooth and uninterrupted operation of the plant’s infrastructure.
• Grid Connection: The relay also plays a role in protecting power plants from faults in the external grid, ensuring that any abnormal conditions in the grid do not affect the power plant or cause damage to sensitive equipment.
• Substation Protection: In substations, the relay is used to monitor and protect critical equipment such as transformers, circuit breakers, and feeders. It ensures that any faults, such as overcurrent or earth faults, are quickly detected and isolated, preventing widespread system outages.
• Feeder Protection and Coordination: In feeder systems, the relay ensures selective tripping, isolating only the affected sections of the distribution network, allowing other parts of the system to remain operational.
• Voltage and Frequency Protection: The relay can be used for voltage and frequency protection in substations, ensuring that grid equipment operates within safe limits to prevent damage due to abnormal conditions.
• Commercial Building Protection: In commercial buildings, the relay is used to protect main distribution panels, generators, and HVAC systems from faults that could cause safety hazards or operational downtime.
• Residential Power Systems: For large residential complexes or high-rise buildings, the relay can protect electrical distribution systems, including transformers and main distribution boards, from faults like short circuits, overload, or voltage irregularities.
• Railway Electrification Systems: In railway electrification systems, the relay helps protect power substations, traction transformers, and overhead lines. It ensures that any faults in the power distribution system are detected and isolated quickly to avoid disruptions to service.
• Electric Vehicle (EV) Charging Stations: The relay can be used in EV charging stations to protect the charging infrastructure from overload, earth faults, and voltage fluctuations, ensuring safe operation for electric vehicles.
• Offshore Oil and Gas Platforms: In offshore installations, the relay is used to protect generators, transformers, and other electrical equipment from faults, ensuring the safety of both personnel and equipment in harsh environments.
• Marine Power Systems: The relay is used in marine vessels, such as cargo ships, oil tankers, and cruise ships, to protect generators, motors, and other essential systems from faults like overcurrent, undervoltage, and phase loss.
• Microgrid Protection: In microgrid systems, where local generation sources (such as solar or wind) are integrated with local storage, the relay protects against faults, ensuring system stability and enabling seamless operation even during transient disturbances.
• Smart Grid Applications: The relay can be integrated into smart grid systems, allowing for remote monitoring, fault detection, and self-healing operations. It can communicate with central control systems using protocols like Modbus and IEC 61850, enabling optimized fault management and grid performance.

Customization:2TLA020070R4600

• • The relay allows for full flexibility in configuring protection settings for overcurrent, earth faults, voltage, thermal overload, and more.
  • Overcurrent settings can be adjusted for instantaneous or time-delayed tripping based on system requirements, with customizable time-current characteristics.
  • Earth fault protection sensitivity can be customized to detect even low-level leakage currents, adjusting between 0.1A to 1A.
  • Voltage protection settings, including overvoltage, undervoltage, and voltage imbalance, can be fine-tuned to meet specific voltage thresholds required by the application.
• Protocol Customization:
  • The ABB 2TLA020070R4600 supports Modbus RTU/TCP, IEC 61850, and DNP3 communication protocols, which can be configured for integration with SCADA systems, PLCs, or smart grids.
  • You can select and customize communication settings to allow the relay to interface with other devices in your system, enabling remote monitoring, control, and diagnostics.
  • IEC 61850 compatibility enables integration into smart grid systems and supports advanced features like GOOSE messaging (Generic Object Oriented Substation Event) for high-speed communication between protection relays.
  • Modbus RTU/TCP can be configured for serial or Ethernet communication, depending on the system architecture.
• Customizable Time-Delay:
  • The relay allows for precise adjustment of time-delay settings for various protection functions such as overcurrent, earth fault, and voltage protection.
  • Time-delay can be set for instantaneous, inverse, or long time protection curves, ensuring proper coordination with other protection devices in your system.
  • This flexibility is critical for optimizing system protection in complex industrial networks or power distribution systems, ensuring selective tripping and minimizing unnecessary outages.
• Custom Output Contacts:
  • The ABB 2TLA020070R4600 comes with configurable NO/NC contacts (normally open/closed) that can be used to control external devices such as circuit breakers, alarms, and remote indication devices.
  • The number and type of output contacts can be customized to meet your specific control requirements.
  • For example, you can configure a relay output for alarm conditions, fault indication, or to trigger external control systems or alarms in the event of a fault.
  • Alarm outputs can be adjusted for specific protection functions, such as overcurrent alarm, earth fault alarm, or voltage abnormality alarm.
• Adjustable Protection Curves:
  • The time-current characteristic curves for protection functions (overcurrent, earth fault, etc.) are fully adjustable. The relay supports various predefined protection curves, including:
    • IEC Inverse Curve: Standard inverse-time characteristic for overcurrent protection.
    • Long-time delay (LTD) and short-time delay (STD) curves for coordination with upstream and downstream protection devices.
    • User-Defined Curves: For more specific needs, users can define custom time-current curves to meet the protection requirements of a unique system.
• Event Logging Capacity:
  • The relay stores fault events, system status, and operational data. The number of events and the type of data recorded can be configured for your system.
  • You can define which faults or events are logged (e.g., overcurrent, earth fault, voltage anomaly), and the amount of history retained for troubleshooting purposes.
  • Advanced Diagnostics: The relay offers customizable diagnostic data collection, which can help identify recurring faults or potential issues before they escalate.
• Local Interface Settings:
  • The LCD display can be customized to show specific system parameters, such as current, voltage, and fault history.
  • Users can define which parameters are displayed on the screen or create a custom dashboard for monitoring specific metrics or conditions.
  • Language Settings: The relay interface can be configured to display in multiple languages, making it adaptable for global installations.
  • Control Buttons: The layout and configuration of control buttons (for operation, settings, and reset) can be customized for ease of use in specific environments.
• Selective Coordination:
  • The relay supports selective coordination between upstream and downstream protection devices. This means that if a fault occurs in a downstream section, the relay can be customized to isolate the fault without affecting the entire system, ensuring system reliability and minimized downtime.
  • This is particularly important in complex industrial automation systems, where multiple protection devices are employed at different levels of the distribution network.
• Mounting Options:
  • The ABB 2TLA020070R4600 relay can be mounted in various configurations, including DIN rail mounting or panel mounting, depending on installation preferences.
  • Enclosures and housing options can also be customized to fit specific environmental conditions (e.g., dust-tight, waterproof enclosures with IP65 rating for harsh industrial environments).
• IP Ratings:
  • The relay can be customized with different IP ratings (e.g., IP20, IP65), depending on the specific environmental conditions (dust, water exposure) where the relay will be installed.
• Adjustable Voltage Range:
  • The ABB 2TLA020070R4600 can be configured to accommodate various voltage levels, making it suitable for both low and high-voltage systems. You can adjust the voltage protection settings to fit the operating voltage of the system being protected.
• Current Settings:
  • The current protection settings are highly adjustable to match the rated current of the electrical system, ensuring that the relay can be customized for systems with a wide range of current requirements.
• Advanced Motor Protection Features: The relay can be customized with additional motor protection features, such as stall protection, start-up protection, or thermal memory for applications requiring advanced motor protection.
• Custom Fault Detection Logic: For specific applications, users may request the integration of custom fault detection logic to meet unique protection needs or operational requirements.
• Integration with Third-Party Systems: The relay can be integrated with third-party automation or control systems through communication protocols like Modbus or IEC 61850, enabling smooth interoperability in mixed vendor environments.
• Regulatory Compliance: The relay can be customized to meet specific regional or industry standards, ensuring compliance with local electrical codes and industry regulations (e.g., IEC 60255).
• Custom Certification: Depending on the application, the relay can be customized to meet certain certification requirements such as UL, CE, or ATEX (for hazardous areas).

Support and Services:2TLA020070R4600

Our team of experts is dedicated to providing exceptional technical support and services for our industrial servo drives product line. We offer a range of services to ensure that our customers have access to the resources they need to keep their operations running efficiently:

• 24/7 technical support hotline
• On-site troubleshooting and repair
• Customized training programs for maintenance and repair
• Remote diagnostic and monitoring services
• Product installation and commissioning services
• Upgrades and retrofits to improve performance and extend product lifecycle

Our goal is to ensure that our customers have the support they need to maximize the performance and reliability of our industrial servo drives products. Contact us today to learn more about our technical support and services.