ABB REF545KB133AAAA Control IED in stock

ABB REF545KB133AAAA is a feeder terminal IED belonging to ABB REF545 legacy series. It integrates protection, control, measurement and supervision functions for medium voltage feeders in power distribution substations and industrial power plants.

This device is equipped with built-in graphic HMI and flexible logic programming capability. It supports multiple protection algorithms and local/remote bay control, widely used for medium voltage switchgear cabinet maintenance, spare parts replacement and power distribution automation retrofit projects.

Data Parameters

• 1. Brand: ABB.

• 2. Model: REF545KB133AAAA.

• 3. Product Type: Medium Voltage Feeder Terminal Protection IED.

• 4. Product Series: REF545 series legacy distribution protection relay.

• 5. Applicable Voltage: Medium voltage 3kV ~ 35kV distribution network.

• 6. Main Protection: Overcurrent, earth fault, thermal overload, auto-reclosing and breaker failure protection.

• 7. Measurement: Current, voltage, power, energy and power quality THD measurement.

• 8. Communication: Serial fieldbus and substation communication interface for SCADA connection.

• 9. Operating Temperature: -20℃ ~ +70℃.

• 10. Installation: Panel mounting inside medium voltage switchgear cabinet.

Core Functions

• 1. Provide directional and non-directional overcurrent and earth fault protection for medium voltage feeder short circuit faults.

• 2. Execute circuit breaker local and remote control, status monitoring and interlock logic for bay level automation.

• 3. Measure electrical parameters including power, energy and harmonic distortion for power quality monitoring.

• 4. Record fault disturbance waveforms, event logs and alarm data for post-fault inspection and analysis.

• 5. Support flexible programmable logic to realize customized automation sequence and interlocking functions.

Application Scenarios

• 1. Medium voltage distribution substation REF545 feeder terminal IED replacement and maintenance.

• 2. Industrial factory and petrochemical plant internal medium voltage feeder protection cabinet hardware retrofit project.

• 3. Thermal power plant auxiliary power distribution switchgear protection spare parts renewal.

• 4. Mining, metallurgy and water treatment plant power distribution automation spare parts inventory backup.

• 5. Legacy ABB REF540 series protection system overhaul and aging feeder protection IED replacement project.

FAQ

• 1. Q: What is ABB REF545KB133AAAA?
      A: It is REF545 series feeder terminal IED for medium voltage feeder protection, measurement and bay control.

• 2. Q: What protection functions does REF545KB133AAAA have?
      A: It includes overcurrent, earth fault, thermal overload, auto-reclosing and breaker failure protection functions.

• 3. Q: What application scenarios suit this feeder terminal?
      A: It is widely deployed in medium voltage distribution substations and industrial self-owned power distribution systems.