Eaton ETR-4000-2A2KA1 Transformer Relay - 50/60 Hz

Part Number: ETR-4000-2A2KA1
ETR-4000-2A2KA1
Manufacturer
Eaton
Part number
ETR-4000-2A2KA1
Category

Quick Summary

The Eaton transformer relay ETR-4000-2A2KA1 is designed for transformer protection and monitoring in industrial power systems. It provides robust protection functions while simplifying integration with existing controls, reducing the risk of nuisance trips and costly downtime. In this class of protection relays, typical considerations include safe operation under a wide power range, dependable communications, and enclosures fit for demanding environments. Compliance details are provided by the manufacturer; confirm current certifications such as CE, SIL readiness, or IP ratings with Eaton. By leveraging versatile I/O, modular communication options, and a proven protection philosophy, this model delivers both reliability and operational efficiency for modernization projects and asset protection strategies.

Product Information

Extended Description

ETR-4000-2A2KA1 Eaton: Eaton, transformer relay, ETR-4000, Transformer protection relay,5A, 1A, 40-250 Vac, 19-300 Vdc, 8, 9,Transformer, , 19-300Vdc, 40-250Vac, 50/60 Hz, Projection,Sensitive Ground InputTrip Coil Monitor,
Product Name
Eaton transformer relay
Catalog Number
ETR-4000-2A2KA1
UPC
786679154229
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
URTD Interface Sensitive Ground Input Trip Coil Monitor IRIG-B
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
Projection
Voltage sensing inputs
0
Terminals
Removable
E-series protective relays E-series protective relays 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-4000-2A2KA1
Feature → Business Impact → Application: 8 digital inputs and 9 outputs deliver flexible control and alarming capabilities, reducing wiring complexity and enabling comprehensive transformer protection schemes; this translates to faster commissioning and lower lifecycle costs in production lines and substations. Feature → Business Impact → Application: A wide power supply range of 19-300Vdc and 40-250Vac supports mixed control architectures, minimizing spare parts and simplifying retrofits in plants with evolving electrical topologies. Feature → Business Impact → Application: I/O options including URTD Interface, Sensitive Ground Input, Trip Coil Monitor, and IRIG-B provide precise ground monitoring and synchronization, enabling dependable protection coordination in critical infrastructure such as utility substations and mining facilities. Feature → Business Impact → Application: Modbus/DNP3 TCP over LC duplex fiber Ethernet ensures robust, long-distance SCADA communication, reducing remote wiring costs and improving asset visibility for large industrial complexes and power networks. Feature → Business Impact → Application: Projection mounting and removable terminals streamline installation and maintenance, accelerating commissioning, easing field upgrades, and enhancing field serviceability in panel setups of varying sizes. Feature → Business Impact → Application: 50/60 Hz operation with transformer-protection logic supports global deployments, ensuring compatibility with regional grid standards and improving cross-site consistency for multi-site operations.

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FAQs

Begin with planning a secure mounting location using the Projection mounting method for stable, vibration-resilient operation. Use the removable terminals for straightforward wiring and organize the 8 digital inputs and 9 outputs to match your protection scheme. Ensure the power supply range is within 19-300Vdc or 40-250Vac and verify polarity and grounding. Commission using Eaton's documentation and maintain a clear wiring diagram to facilitate future upgrades and service.
Key specs include 8 digital inputs, 9 outputs, 2 current sensing inputs, power supply range of 19-300Vdc or 40-250Vac, and 50/60 Hz frequency rating. It supports URTD Interface, Sensitive Ground Input, Trip Coil Monitor, and IRIG-B options, with Modbus/DNP3 TCP communications over LC duplex fiber. The device is designed for transformer protection with a compact footprint and removable terminals for easy installation.
Yes. The model supports Modbus and DNP3 TCP communication over LC duplex fiber optic Ethernet, enabling seamless integration with modern SCADA and control systems. This capability reduces wiring complexity between the relay and remote monitoring systems, improves data reliability across long distances, and supports centralized protection coordination in substations and large facilities.
Applications include transformer protection in substations, power plants, and heavy-industrial facilities such as mining, oil and gas processing, and manufacturing. The relay’s 8-in/9-out I/O, current sensing inputs, and advanced monitoring features support differential protection, trip coordination, and ground fault detection, delivering enhanced reliability, reduced downtime, and improved asset management.
Consider ROI from reduced downtime due to more reliable protection and fewer nuisance trips. Leverage the removable terminals and projection mounting to simplify field maintenance and upgrades. Warranty terms align with Eaton’s policy, and long-term reliability is supported by modular communication options and a robust protection feature set, which helps minimize maintenance events and extend transformer life.