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EATON ETR-4000 Series Transformer Relays

Eaton ETR-4000 Series transformer relays are microprocessor-based units that monitor the transformer's operation and protect it from faults and abnormal conditions. They are ideal for use in the power generation, power transmission, telecommunications and transportation industries.

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EATON ETR-4000-2A0GA1A
StyleModel
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ETR-4000-2A0GA1
RFQ
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ETR-4000-2A2BA1
RFQ
A
ETR-4000-2A2EB0
RFQ
A
ETR-4000-2A2HB0
RFQ
A
ETR-4000-2A2KA0
RFQ
A
ETR-4000-2A2LA0
RFQ
A
ETR-4000-2A3DB1
RFQ
A
ETR-4000-2A3CB1
RFQ
A
ETR-4000-2A3FA0
RFQ
A
ETR-4000-2A3GB1
RFQ
A
ETR-4000-2A2CB0
RFQ
A
ETR-4000-2A0EA0
RFQ
A
ETR-4000-2A0DB1
RFQ
A
ETR-4000-2A2DA0
RFQ
A
ETR-4000-2A2FB0
RFQ
A
ETR-4000-2A2GA0
RFQ
A
ETR-4000-2A2GB0
RFQ
A
ETR-4000-2A2EA1
RFQ
A
ETR-4000-2A2FA0
RFQ
A
ETR-4000-2A2BB1
RFQ
A
ETR-4000-2A2HB1
RFQ
A
ETR-4000-2A0BA1
RFQ
A
ETR-4000-2A3LB1
RFQ
A
ETR-4000-2A1DA0
RFQ
A
ETR-4000-2A1BB1
RFQ
A
ETR-4000-2A3IB0
RFQ
A
ETR-4000-2A1DB0
RFQ
A
ETR-4000-2A0EB0
RFQ
A
ETR-4000-2A0DA0
RFQ
A
ETR-4000-2A1EB0
RFQ
A
ETR-4000-2A2EA0
RFQ
A
ETR-4000-2A1GA0
RFQ
A
ETR-4000-2A1FB0
RFQ
A
ETR-4000-2A1GB1
RFQ
A
ETR-4000-2A1GA1
RFQ
A
ETR-4000-2A1HB1
RFQ
A
ETR-4000-2A1HB0
RFQ
A
ETR-4000-2A1IB1
RFQ
A
ETR-4000-2A2HA1
RFQ
A
ETR-4000-2A2IA0
RFQ
A
ETR-4000-2A0BB0
RFQ
A
ETR-4000-2A2IB0
RFQ
A
ETR-4000-2A2DB0
RFQ
A
ETR-4000-2A2GB1
RFQ
A
ETR-4000-2A2EB1
RFQ
A
ETR-4000-2A2FB1
RFQ
A
ETR-4000-2A2GA1
RFQ
A
ETR-4000-2A2FA1
RFQ
A
ETR-4000-2A2HA0
RFQ
A
ETR-4000-2A2KB0
RFQ
A
ETR-4000-2A2CB1
RFQ
A
ETR-4000-2A2LB1
RFQ
A
ETR-4000-2A2LB0
RFQ
A
ETR-4000-2A3BB1
RFQ
A
ETR-4000-2A3BA1
RFQ
A
ETR-4000-2A3BA0
RFQ
A
ETR-4000-2A3HB0
RFQ
A
ETR-4000-2A0FB1
RFQ
A
ETR-4000-2A2DA1
RFQ
A
ETR-4000-2A2DB1
RFQ
A
ETR-4000-2A2IA1
RFQ

Working Mechanism

  • When an abnormal condition or fault is detected, the relay initiates a trip signal to disconnect the transformer from the power system, protecting it from damage & ensuring safe and reliable operation.

Features

  • Eaton ETR-4000 Series transformer relays have 14 programmable LEDs for quick & easy display of operating status.
  • Their unrestrained differential element offers quick tripping to prevent catastrophic damage and reduce risks to the rest of the power system.
  • Their front panel LCD with background illumination allows for wide-angle viewing in all light conditions.
  • These transformer relays have zone selective interlocking to improve coordination and tripping time.
  • Their maintenance mode provides a simple and reliable method to reduce fault-clearing time and lower incident energy levels at energised panels.

Frequently Asked Questions

How to maintain transformer relays?

Common maintenance practices for transformer relays include testing, inspection, cleaning, calibration and replacement of faulty components.

How to troubleshoot a faulty transformer relay?

Troubleshooting a faulty transformer relay involves checking the wiring connections, inspecting the relay for physical damage, testing the electrical parameters and analysing the fault records.

How to clean a transformer relay?

A transformer relay can be cleaned using a soft, dry cloth or brush to remove dust and debris.

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