Product Description:2TLA020051R0200

1. • Instantaneous and time-delayed overcurrent protection for preventing damage to equipment from excessive current.
   • Can detect faults like short circuits or overloads and automatically trips the breaker to isolate the faulty section of the system.

2. Undervoltage and Overvoltage Protection:

   • Protects the system from voltage dips or surges that could damage equipment.
   • The relay can disconnect the load if the voltage falls below or rises above set thresholds for a predefined period.

3. Earth Fault Protection:

   • Provides protection from ground faults or leakage currents to earth.
   • Earth fault protection is critical for ensuring the safety of electrical systems and preventing hazards such as electric shock or fire.

4. Adjustable Settings:

   • The relay offers adjustable pickup values and time delays to allow fine-tuning of protection parameters to meet specific application requirements.
   • Selective tripping ensures that only the faulted section is isolated, minimizing the impact on the overall system.

5. Communication and Monitoring:

   • Equipped with communication capabilities (likely Modbus, IEC 61850, or other protocols) for remote monitoring, configuration, and diagnostics.
   • Allows integration with SCADA or other automation systems for real-time system monitoring and event logging.

6. User Interface:

   • The device is likely equipped with a digital display (LCD) for displaying operational parameters, fault conditions, and system status.
   • Buttons and LED indicators for easy local control and diagnostics.

7. High Reliability and Durability:

   • Designed for industrial environments with robust construction that ensures reliable operation in harsh conditions, including high temperatures, humidity, and electrical noise.

8. Multiple Protection Functions:

   • In addition to overcurrent and undervoltage protection, the relay may include features such as differential protection, thermal overload protection, and reverse power protection for a complete protection package.

• Transformer Protection: The relay helps to protect transformers from overcurrent, overheating, and fault conditions, ensuring stable power delivery and preventing costly damage to transformer units.
• Motor Protection: Used to safeguard motors against faults such as overcurrent, undercurrent, and phase failure, ensuring continuous operation of critical motor-driven equipment.
• Industrial Power Distribution: Provides protection to industrial electrical networks, isolating faults in specific sections and maintaining system stability.
• Utility Grid Protection: Commonly used in substations or distribution networks for fault detection and isolation, improving grid reliability and reducing downtime.
• Renewable Energy Systems: Protects power inverters and other components in renewable energy installations (such as solar power and wind turbines) from electrical disturbances or faults.

Features:2TLA020051R0200

• • Offers both instantaneous and time-delayed overcurrent protection.
  • Detects short circuits and overloads, triggering the disconnection of the affected section of the network to prevent damage to equipment.
• Earth Fault Protection:
  • Detects ground faults (leakage currents to earth) to safeguard both people and equipment.
  • Common in electrical systems where earth faults may occur, particularly in transformer and motor protection.
• Undervoltage and Overvoltage Protection:
  • Protects the equipment from damage due to abnormal voltage conditions.
  • Undervoltage protection ensures the system doesn’t operate in a voltage regime that could cause equipment damage.
  • Overvoltage protection prevents damage from voltage spikes.
• Thermal Overload Protection:
  • Monitors the temperature of the equipment (such as transformers or motors) and trips the system in case of thermal overload.
  • Provides a time-based protective function to prevent overheating.

• 2. Multiple Protection Functions

• Differential Protection (for transformer protection):
  • Compares the current entering and leaving a transformer. If there is an imbalance (which might indicate a fault), the relay will trip to isolate the transformer.
• Reverse Power Protection:
  • This feature is important for generators, preventing reverse power flow that could damage the machine or affect the system’s stability.
• Phase Failure and Phase Sequence Protection:
  • Monitors the correct phase sequence and detects phase failure conditions, preventing damage to motors and other equipment sensitive to phase rotation issues.

• 3. Flexible Settings

• Adjustable Protection Parameters:
  • Users can customize protection settings such as pickup values, time delays, and trip thresholds for overcurrent, undervoltage, and other protection functions.
  • Fine-tuning these settings ensures that the relay can be adapted to specific operational requirements and environments.
• Multiple Settings Groups:
  • Some models of ABB relays allow users to create different protection settings groups, which can be used for varying conditions (e.g., seasonal or load-dependent settings).

• 4. Communication Capabilities

• SCADA Integration:
  • Supports industry-standard communication protocols such as Modbus RTU, IEC 61850, DNP3, and Ethernet.
  • Allows the relay to integrate with SCADA systems for real-time monitoring, control, and event reporting.
  • Facilitates remote diagnostics, configuration, and fault analysis.
• Event Logging:
  • The relay stores fault data and operating logs, which can be accessed remotely for post-event analysis and diagnostics.
• Local or Remote Monitoring:
  • Operators can monitor system performance and fault conditions from a local HMI (Human-Machine Interface) or remotely through web-based interfaces.

• 5. User Interface and Display

• LCD Display:
  • The relay typically features an easy-to-read LCD display for showing real-time information, such as voltage, current, fault status, and settings.
• LED Indicators:
  • Multiple LEDs to visually indicate the relay's operational status, including normal operation, fault conditions, and tripped status.
• Buttons for Configuration:
  • Front panel buttons for quick access to settings adjustments, trip reset, and access to historical fault data.
• Simple Configuration:
  • User-friendly configuration process with clear menu options for easy navigation and parameter changes.

• 6. High Reliability and Durability

• Industrial-Grade Design:
  • Designed for harsh environments with high resilience to factors such as vibration, temperature extremes, electromagnetic interference, and dust.
• Long Operational Lifespan:
  • ABB relays are built to last, with durable components and robust construction, ensuring long-term reliability even under demanding operating conditions.

• 7. Compact and Flexible Design

• Space-Saving:
  • The relay comes in a compact form factor, allowing it to be easily mounted in standard control panels, DIN rail mounts, or rack-mounted enclosures.
• Easy Installation:
  • Simple wiring and installation procedures, with clear terminal markings to facilitate quick and efficient setup.

• 8. Protection for Multiple Applications

• Transformer Protection:
  • The relay is ideal for transformer protection, where differential protection, overcurrent, and earth fault protection are critical.
• Motor Protection:
  • It provides essential protection for motors, including overload, phase failure, and thermal protection.
• Industrial Distribution Systems:
  • Protects distribution circuits, feeders, and switchgear from faults, overloads, and voltage fluctuations.
• Utility and Grid Protection:
  • Provides critical protection for utility networks, including grid feeders, substations, and critical infrastructure.
• Renewable Energy Systems:
  • Can be used in solar, wind, and other renewable energy setups for protecting inverters and power systems from faults and imbalances.

• 9. Safety Features

• Fault Detection:
  • Immediate detection of faults such as overcurrent, earth faults, and thermal overloads, preventing damage to equipment and reducing system downtime.
• Auto-Reset and Trip Logic:
  • The relay can be configured to reset after a set time if the fault is cleared, or it can trip based on more complex logic to avoid repeated faults.

• 10. Customizable Alarms and Output Relays

• Alarm Outputs:
  • Provides configurable alarm outputs (e.g., contact relay outputs) to trigger external systems such as warning signals, alarms, or status indicators.
• Multiple Trip Contacts:
  • Configurable trip outputs to control breakers, disconnectors, or other safety devices to isolate faults.

Technical Parameters:2TLA020051R0200

• AC Voltage: Common relay voltage ratings are 24 V, 48 V, 110 V, 220 V, or 380-415 V AC (depending on model configuration).
• DC Voltage: Some models may support DC inputs for systems like DC control circuits, typically 24 V DC or 110 V DC.

2. Nominal Frequency:

• 50/60 Hz: Most relays are designed to work with standard power system frequencies.

3. Current Rating:

• Nominal Current: Protection relays typically have a rated current (e.g., 1 A, 5 A, 10 A), which defines the current for which the relay is designed.
• Overload Capacity: Relays often support overload current thresholds (e.g., 120% of rated current for a certain period).

4. Relay Type:

• Electromechanical or Solid-State: The 2TLA020051R0200 is likely a solid-state relay (digital), which offers better reliability, faster response times, and more flexibility than electromechanical relays.

5. Protection Functions:

• Overcurrent Protection:
  • Instantaneous and time-delayed.
  • Adjustable current settings (e.g., 50–150% of nominal current).
• Earth Fault Protection:
  • Adjustable sensitivity (e.g., 10–100% of rated current).
• Undervoltage and Overvoltage Protection:
  • Adjustable voltage thresholds (e.g., 85%–110% of nominal voltage).
• Thermal Overload:
  • Adjustable thermal settings based on the motor or transformer type.
• Differential Protection (if applicable):
  • For transformers or other protected equipment.

6. Tripping Time / Delays:

• Time Delay: Adjustable instantaneous or time-delayed settings.
  • Instantaneous Overcurrent: Typically under 1 second response time.
  • Time-Delayed Overcurrent: Adjustable from 0.1 to several seconds depending on fault severity and system configuration.
• Earth Fault Time Delay: Adjustable, typically around 0.1–5 seconds.

7. Measurement and Monitoring:

• Current and Voltage Measurement: The relay may have the capability to measure and display line voltage, line current, and other electrical parameters (e.g., power factor, frequency).
• Fault Indication: Displays the type of fault (e.g., overcurrent, earth fault, voltage failure) on the LCD display or via LED indicators.
• Event Logging: Relays often include event logs that store data on past faults, trips, and system status for post-fault analysis.

8. Communication Protocols:

• Modbus RTU/TCP: Industry-standard communication protocol used for remote monitoring and configuration.
• IEC 61850: Standard communication protocol for modern digital substations (used for power grid automation).
• DNP3: For integration with supervisory control and data acquisition (SCADA) systems.
• Ethernet: Some models may feature Ethernet ports for remote communication.

9. Protection Class:

• IP Rating: Likely IP20 or higher, indicating protection against dust and water ingress. Some models offer IP65 rated enclosures for outdoor or harsh environments.
• Environmental Operating Conditions: Typically designed to operate within a temperature range of -20°C to +60°C (may vary by model).

10. Power Consumption:

• Relay Power Consumption: Low power consumption, typically in the range of 5-10 W for smaller relays. Larger systems may consume up to 30 W depending on communication and protection complexity.

11. Mounting and Dimensions:

• Mounting Type: Often designed for panel mounting, rack mounting, or DIN rail mounting.
• Dimensions: The size depends on the configuration (typically 120 x 80 x 60 mm for small relays, larger sizes for more complex systems).
• Weight: The weight can range from 0.5 to 2 kg depending on the model and protection features.

12. Relay Outputs:

• Trip Contact Outputs: For controlling circuit breakers or other protection devices. Common configurations include NO (Normally Open), NC (Normally Closed) contacts, and changeover contacts.
• Alarm Outputs: For external alarm signaling or indicating fault conditions.

13. Accuracy:

• Current Measurement Accuracy: Typically within ±1% of the full-scale range.
• Voltage Measurement Accuracy: Similar accuracy, typically within ±1–2% for voltage sensing.

14. Fault Indicators:

• LED Indicators: Multiple LEDs for showing the operational status, fault conditions (e.g., Overcurrent, Earth Fault, Undervoltage, Overvoltage, Trip Status).
• Display: LCD or LED display for viewing real-time measurements and fault logs.

15. Time Settings:

• Time Delay for Overcurrent: Adjustable from 0.1 seconds to several seconds, depending on the system and protection setting.
• Earth Fault Delay: Adjustable in a similar range to overcurrent protection.

Applications:2TLA020051R0200

• Overcurrent Protection: The relay offers overcurrent protection for transformers, ensuring that the transformer is isolated in case of faults like short circuits or overloads.
• Differential Protection: It may provide differential protection, which compares the current entering and exiting the transformer. If a fault (such as a winding short circuit) occurs, the relay trips the transformer.
• Earth Fault Protection: Protects against ground faults, which are particularly important in transformer systems where earth leakage can cause significant damage or safety hazards.
• Overvoltage/Undervoltage Protection: Prevents transformers from operating outside their safe voltage range, which could lead to insulation damage or equipment failure.
• Overcurrent Protection: Ensures motors are protected from running under overload conditions, preventing overheating and damage.
• Thermal Overload Protection: Monitors the thermal condition of the motor, preventing damage from excessive operating temperatures due to prolonged overloads.
• Phase Failure/Phase Imbalance Protection: The relay detects phase loss or phase sequence problems, which could cause the motor to run inefficiently or even get damaged.
• Ground Fault Protection: Protects motors from ground faults that could cause equipment failure or safety hazards.
• Undervoltage Protection: Prevents the motor from starting or operating under undervoltage conditions, which can lead to improper operation or even motor damage.
• Feeder Protection: The relay is used in industrial power distribution networks to protect feeders from faults such as short circuits, overloads, or earth faults. It can isolate faulty sections to maintain the integrity of the overall network.
• Circuit Breaker Coordination: In a distribution network, the protection relay coordinates the operation of circuit breakers to ensure that only the faulty section is isolated, preventing unnecessary power loss to other parts of the system.
• Arc Flash Protection: The relay provides fast trip times to limit arc flash hazards in distribution panels or industrial control systems.
• Voltage Protection: Protects sensitive industrial equipment from excessive voltage or voltage dips, which could cause failure or damage to machinery.
• Feeder and Bus Protection: The relay plays a crucial role in protecting substations by monitoring and isolating feeders or busbars in the event of faults like overcurrent, overvoltage, or earth fault conditions.
• Differential Protection in Substations: Used for the protection of equipment like transformers and generators within substations, ensuring rapid fault detection and isolation.
• Overcurrent and Earth Fault Protection: Ensures that faults in electrical substations, whether in the power supply or internal components, are detected and isolated to prevent damage or downtime.
• Grid Fault Isolation: In the context of power grids, the relay can protect grid components (such as transformers, busbars, and feeders) from faults, ensuring the integrity of the grid and reducing the impact of faults on the system.
• Voltage Control and Protection: Protects electrical grid components from overvoltage or undervoltage conditions, which can disrupt service and damage grid infrastructure.
• Overcurrent and Short-Circuit Protection: The relay protects grid components from overcurrent or short-circuit conditions, which could lead to widespread outages or equipment damage.
• Inverter Protection: For solar and wind energy systems, the relay can be used to protect inverters against faults such as overcurrent, undervoltage, or thermal overload, which could affect energy conversion and system performance.
• DC Circuit Protection: In solar or wind power systems, the relay can also protect DC circuits from faults, ensuring safe operation of renewable energy generation systems.
• Ground Fault Protection: Protects renewable energy systems from ground faults, which are particularly important in large-scale solar farms and wind turbine arrays.
• Grid-Tie Protection: In grid-tied renewable energy systems, the relay ensures that the system disconnects from the grid in case of faults, preventing damage to both the renewable energy system and the grid.
• Backup Power Systems: The relay is used in data centers, hospitals, and other critical infrastructure to protect backup power systems, including generators and UPS (Uninterruptible Power Supply) systems. It ensures that any faults in the backup power system, such as overloads or undervoltage, do not compromise system reliability.
• Generator Protection: The relay protects backup generators from conditions such as short circuits, overloads, or grounding issues, ensuring that the generator operates safely and continues to provide reliable power when needed.
• Power Distribution and Load Shedding: The relay helps in managing the power distribution and load shedding in critical facilities, ensuring that only non-essential loads are isolated in case of a fault, maintaining power to mission-critical systems.
• Pump and Compressor Protection: In the oil and gas industry, protection relays safeguard pumps, compressors, and other machinery from electrical faults, including overcurrent, undercurrent, and thermal overloads, ensuring the continuity of operations in hazardous environments.
• Offshore Platforms: The relay can be used to protect the electrical distribution systems on offshore oil rigs, where reliability and safety are critical. Overcurrent, earth faults, and voltage irregularities can be detected and addressed quickly to prevent accidents or operational disruptions.
• Process Control Protection: Relays like the ABB 2TLA020051R0200 are used to protect equipment in chemical, pharmaceutical, and manufacturing processes where precise control of power systems is critical. These include protecting electrical systems that power critical production equipment, motors, and automated systems.
• Overload and Thermal Protection: In industries with heavy machinery or automated production lines, the relay provides protection from overloading or overheating of motors and other equipment, which can result in costly downtime or unsafe conditions.
• Building Management Systems (BMS): Protection relays can be integrated with a building’s electrical systems to ensure safe operation of HVAC systems, elevators, lighting, and other critical building infrastructure. They ensure that any electrical faults are detected and isolated without affecting the overall building operation.
• Elevator and Escalator Systems: In commercial buildings, relays protect elevator motors and other critical equipment from overcurrent, phase failure, and thermal overloads, ensuring passenger safety and operational reliability.

Customization:2TLA020051R0200

• • The relay typically allows you to adjust the overcurrent protection settings, including the pickup current (i.e., the threshold at which the relay will trip) and the time delay for both instantaneous and time-delayed overcurrent protection.
  • Users can set the overcurrent thresholds in percentages of the relay's rated current (e.g., 100%, 120%, 150% of nominal current) to match the protection needs of the system.
• Earth Fault Settings:
  • The earth fault protection can be customized to respond at specific current leakage thresholds, typically adjustable from a few milliamps to several amps, depending on system sensitivity requirements.
  • Earth fault protection can also be time-delayed, allowing for coordination with other protection devices in the system.
• Undervoltage/Overvoltage Protection:
  • The voltage thresholds for undervoltage and overvoltage protection can be customized within a specified range (e.g., 80%–110% of nominal voltage).
  • A time delay can also be applied to avoid nuisance trips due to transient voltage fluctuations.
• Thermal Overload Settings:
  • The relay can be adjusted to monitor the thermal condition of motors or transformers and to trip the system if temperatures exceed safe levels.
  • The time constants for thermal protection can be fine-tuned based on the type of equipment being protected (e.g., motor, transformer).
• Time-Delay Settings:
  • Adjustable time delays for overcurrent, earth fault, and voltage protection ensure the relay operates in coordination with other protective devices, allowing for selective tripping in case of faults.
• Differential Protection (for Transformers):
  • The relay can be customized for differential protection to monitor the current entering and exiting transformers (or other equipment) and trip if an imbalance is detected.
  • The sensitivity and current differential threshold can be adjusted to suit the transformer’s operational conditions and fault tolerance.
• Reverse Power Protection:
  • For systems with generators or motors that could potentially experience reverse power flow, the relay can be set to detect reverse power and protect the equipment by disconnecting it if necessary.
• Phase Sequence and Phase Failure Protection:
  • The relay can be configured to monitor the phase sequence and detect phase failure, ensuring the system operates only under correct phase conditions. The settings for phase sequence and failure detection can be customized according to the requirements of specific equipment.
• SCADA Integration:
  • The relay supports industry-standard communication protocols such as Modbus RTU/TCP, IEC 61850, DNP3, and Ethernet, allowing it to be integrated into larger SCADA systems.
  • Customizing the relay’s communication settings allows remote monitoring, configuration, and diagnostics.
• Event Logging and Reporting:
  • Users can customize how events are logged and stored, with options for fault logs, alarm history, and system performance data.
  • This information can be accessed remotely or downloaded for analysis after a fault event.
• Alarms and Notifications:
  • You can configure alarm thresholds for different protection functions (e.g., overcurrent, undervoltage), and the relay can send notifications via email, SMS, or other communication methods.
  • This ensures that operators are alerted immediately in the event of a fault, helping to reduce response time.
• Relay Output Contacts:
  • The relay allows you to customize the output contacts (e.g., NO/NC) to control external devices like circuit breakers, alarm systems, or indicator lights based on fault conditions.
  • You can configure the relay to activate specific relays for tripping, reset, or status signaling, which is particularly important in large or complex systems where multiple devices need to be coordinated.
• Alarm Outputs:
  • Configure separate alarm outputs for various protection statuses (e.g., overcurrent, earth fault, thermal overload) to indicate different fault conditions.
• Multiple Settings Groups:
  • The relay can offer multiple settings groups that can be configured for different operating conditions or times of day. For example, one group might be used for normal operations, while another could be used during startup or shutdown periods, when higher transient currents are common.
  • This feature is useful in environments where electrical loads vary significantly depending on the time or operational phase.
• Mode Switching:
  • Some relays allow users to switch between different operational modes, such as normal protection mode or test mode, for ease of maintenance and diagnostics.
  • Mode switching can be customized via the user interface or remote communication.
• Custom Time-Current Curves:
  • The relay allows you to customize the time-current characteristics to match the protection coordination needs of your system. This ensures that faults are cleared selectively and that the tripping is coordinated between various protection devices.
  • Custom inverse time curves or definite time delays can be set to optimize the relay’s response to faults, allowing for fine-tuned protection in complex systems.
• Coordination with Other Devices:
  • The relay’s settings can be customized to ensure proper coordination with downstream and upstream devices, such as other relays or circuit breakers, to minimize unnecessary disconnections and prevent false tripping.
• Display Configuration:
  • The relay typically features an LCD or LED display, and its settings can be customized to show specific information such as voltage levels, current measurements, fault conditions, or trip settings.
  • The user interface can be set to display real-time data, fault history, or current relay status to operators.
• Password Protection and Access Levels:
  • For enhanced security, the relay may allow setting password protection and different access levels for users (e.g., operator, engineer, or administrator).
  • This ensures that only authorized personnel can modify protection settings or access sensitive data.
• Mounting Options:
  • The ABB 2TLA020051R0200 relay can be customized for various mounting options, such as DIN rail, panel-mount, or rack-mount, depending on the physical requirements of your installation environment.
• Enclosure Customization:
  • The relay may be customized with different IP ratings (e.g., IP20, IP65) to suit the installation environment, especially in harsh or outdoor conditions.
• Temperature Compensation:
  • In some cases, the relay may support temperature compensation to adjust protection settings dynamically based on temperature variations in the environment.
• Firmware Updates:
  • Some ABB relays offer the ability to update firmware remotely, ensuring that the device can be upgraded with new features or performance improvements over time.
  • Custom firmware updates can include optimizations for new protection algorithms or compliance with updated standards.
• Software Integration:
  • The relay can integrate with ABB software tools (e.g., ETAP, Schematic Design Tools) for system-wide protection coordination, simulation, and analysis.
  • These tools may allow for custom protection settings, system simulation, and troubleshooting based on the system configuration.

Support and Services:2TLA020051R0200

Our Industrial Servo Drives are designed to provide precise control of motor speed and position in a variety of industrial applications. We offer a range of technical support and services to ensure that your servo drives are operating at their best:

• Installation and commissioning support

• Product training and education

• Technical troubleshooting and problem resolution

• Remote diagnostic and repair services

• Product repair and replacement services

• Customized maintenance and service contracts

Our team of experienced technicians and engineers are available to assist you with any technical questions or issues you may have. Contact us to learn more about our technical support and services for our Industrial Servo Drives.