Eaton ETR-4000-2A0KA0 Transformer relay - 50/60 Hz

Part Number: ETR-4000-2A0KA0
ETR-4000-2A0KA0
Manufacturer
Eaton
Part number
ETR-4000-2A0KA0
Category

Quick Summary

The Eaton transformer relay is a protective device for transformer protection in electrical distribution systems. Engineers often grapple with nuisance trips and delayed fault detection that disrupt maintenance schedules and raise operating costs. Certification details should be verified with the manufacturer, and typical validations may include CE marking, SIL ratings, and appropriate IP protection levels as applicable to your region and application. With wide input ranges and integrated communications, this relay reduces panel complexity and supports scalable protection strategies for substations and OEM equipment. By combining differential protection, current protection and metering, and modern communication options, it enables faster fault isolation and data-driven maintenance.

Product Information

Extended Description

ETR-4000-2A0KA0 Eaton: Eaton, transformer relay, ETR-4000, Transformer protection relay,5A, 1A, 40-250 Vac, 19-300 Vdc, 8, 9, Removable, Transformer, , 19-300Vdc, 40-250Vac, 50/60 Hz ,Differential Protection,Trip Coil Monitor
Product Name
Eaton transformer relay
Catalog Number
ETR-4000-2A0KA0
UPC
786679153932
Product Length/Depth
8.06 in
Product Height
8.7 in
Product Width
9.72 in
Product Weight
9.3 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Compliances
Contact Manufacturer
Application
Transformer
Type
Transformer relay
Product Category
Transformer protection relay
Analog inputs
0
Analog outputs
0
Base relay
ETR-4000
Conformal coating
None
Current sensing inputs
2
Digital inputs
8
Digital outputs
9
I/O options
IRIG-B URTD Interface Trip Coil Monitor
Modbus / DNP3 TCP
over LC duplex fiber optic Ethernet
Phase current
5A, 1A
Sensing inputs
Current Protection and Metering Differential Protection
Zone selective interlocking
2
Number of inputs
8
Number of outputs
9
Power supply range
19-300Vdc, 40-250Vac
Frequency rating
50/60 Hz
Power consumption
40-250 Vac, 19-300 Vdc
Number of inputs
8
Number of outputs
9
Power supply range
19-300Vdc, 40-250Vac
Power consumption
40-250 Vac, 19-300 Vdc
Frequency rating
50/60 Hz
Terminals
Removable
Mounting method
Semi-flush
Voltage sensing inputs
0
Terminals
Removable
Power metering, monitoring and diagnostics products for OEMs Power metering, monitoring and diagnostics products for OEMs Programming an Eaton E-Series Relay, Step 3: Getting Started with the E-Series Wizard Programming an Eaton E-Series Relay, Step 3: Getting Started with the E-Series Wizard Programming an Eaton E-Series Relay, Step 3: Getting Started with the E-Series Wizard Programming an Eaton E-Series Relay, Step 3: Getting Started with the E-Series Wizard Programming an Eaton E-Series Relay, Step 3: Getting Started with the E-Series Wizard Programming an Eaton E-Series Relay, Step 3: Getting Started with the E-Series Wizard Programming an Eaton E-Series Relay, Step 3: Getting Started with the E-Series Wizard Eaton Specification Sheet - ETR-4000-2A0KA0 Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 8 digital inputs and 9 outputs with 2 current sensing inputs, plus I/O options including IRIG-B and URTD interface and Trip Coil Monitor. Business Impact: Enables complex protection schemes without additional external controllers, reducing wiring, panel space, and installation time. Application: Transformer protection in substations and industrial plants benefits from streamlined wiring and enhanced fault signaling. Feature: Power supply range of 19-300 Vdc and 40-250 Vac with 50/60 Hz compatibility. Business Impact: Supports universal installation across sites and retrofit projects, lowering inventory needs and improving uptime. Application: OEM equipment and retrofit projects value faster deployment and fewer power-audit steps. Feature: Removable terminals and semi-flush mounting. Business Impact: Simplifies field wiring, maintenance, and future upgrades while preserving panel aesthetics and accessibility. Application: New builds and retrofit installations in machinery cabinets and switchgear. Feature: Modbus / DNP3 TCP over LC duplex fiber Ethernet with URTD, plus Zone Selective Interlocking (2) and Differential Protection. Business Impact: Enables secure, fast data communication and coordinated protection across distributed assets, reducing mean time to repair. Application: SCADA integration, plant-wide protection schemes, and remote diagnostics. Feature: Current protection and metering with configurable phase currents (5 A, 1 A) and ample input/output capacity. Business Impact: Delivers accurate load data and protective tripping aligned with modern energy management practices, lowering operational risk. Application: Transformer monitoring, metering, and protection in automation-intensive facilities.

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