ABB RET543AM243AAAB Motor Protection Relay - Image 1
ABB RET543AM243AAAB Motor Protection Relay - Image 2
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ABB RET543AM243AAAB Motor Protection Relay
ABB RET543AM243AAAB Motor Protection Relay - Image 2
ABB RET543AM243AAAB Motor Protection Relay - Image 3
ABB RET543AM243AAAB Motor Protection Relay - Image 4
ABB PM866AK01 3BSE076939R1 Power Module
ABB PM866AK01 3BSE076939R1 Power Module
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ABB 1TGE120011R1000
ABB 1TGE120011R1000

ABB RET543AM243AAAB Motor Protection Relay

Technical Specifications

 

  • Power Supply: The specific power supply voltage range is not clearly stated in the available information, but generally, for medium – voltage protection relays, it can be compatible with common medium – voltage power supply systems.
  • Communication Interfaces: Although not explicitly mentioned in detail, it is likely to support communication protocols for connecting to other devices in the power system, such as IEC 61850, considering the general characteristics of ABB’s similar products.
  • Input/Output Channels: It may have multiple binary inputs and output relays. For example, similar products like the REM 543 have 15 binary inputs and 12 output relays, which can be used for connecting to sensors and actuators.
Category:
Description
Functional Features
  • Comprehensive Protection Functions:
    • Short – circuit Protection: Can provide selective short – circuit protection for motors, quickly detecting and responding to short – circuit faults in the motor circuit.
    • Earth – fault Protection: Monitors the earth – fault current in the motor circuit to prevent damage caused by earth – faults.
    • Over – current Protection: Protects the motor from over – current damage, using an appropriate protection algorithm such as the I²t curve.
    • Abnormal Operation Protection: Such as protection against unbalanced load, over – voltage, under – voltage, over – temperature, etc., to ensure the safe operation of the motor under various abnormal conditions.
  • Programmable Logic Functions:
    • It is equipped with a large number of PLC functions, which can integrate several automation and sequence logic functions required for substation automation into one unit, enabling customized control and protection strategies.
  • High – reliability Design:
    • Adopts a modular structure design, which has high anti – interference ability and can adapt to complex industrial environments.
Application Scenarios
  • Medium – sized Three – phase Asynchronous Motors: Widely used in the protection and control of medium – sized three – phase asynchronous motors in various industrial fields.
  • Reactive Power Compensation Capacitor Banks: Can also be used for the protection and control of shunt capacitor banks used for reactive power compensation in power systems.
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