Eaton ETR-4000-2A1CA0 Transformer Relay - Modbus TCP RJ45

Part Number: ETR-4000-2A1CA0
ETR-4000-2A1CA0
Manufacturer
Eaton
Part number
ETR-4000-2A1CA0
Category

Quick Summary

Eaton transformer relay ETR-4000-2A1CA0 protects transformers and feeders in industrial power systems. Engineers rely on clear, remote visibility of protection statuses to minimize downtime and quickly locate faults. Note: certifications such as SIL, CE, or IP ratings are not listed in the provided data; verify with Eaton for regulatory alignment. This device supports dual power ranges (19–300 Vdc and 40–250 Vac) and supports industrial communications, enabling scalable protection and metering. With 8 digital inputs and 9 outputs, it integrates into modern control architectures, while its Modbus TCP over Ethernet RJ45 interface supports plant-wide monitoring and data logging, delivering measurable reliability improvements and faster decision cycles.

Product Information

Extended Description

ETR-4000-2A1CA0 Eaton: Eaton, transformer relay, ETR-4000, Transformer protection relay,5A, 1A, 40-250 Vac, 19-300 Vdc, 8, 9, Removable, Transformer, over Ethernet RJ-45, 19-300Vdc, 40-250Vac, 50/60 Hz ,Trip Coil Monitor,Sensitive Ground Input
Product Name
Eaton transformer relay
Catalog Number
ETR-4000-2A1CA0
UPC
786679154120
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
Communication
Modbus TCP or DNP3 TCP/UDP over Ethernet RJ45
Current sensing inputs
2
Digital inputs
8
Digital outputs
9
I/O options
Trip Coil Monitor URTD Interface IRIG-B Sensitive Ground Input
Modbus / DNP3 RTU
over Ethernet RJ-45
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
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-4000-2A1CA0 Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: Flexible power range meets 19–300 Vdc and 40–250 Vac input across varied plant voltages, reducing inventory and simplifying panel design while ensuring consistent protection logic in transformers and feeders. This translates to lower stocking costs and faster commissioning in facilities with mixed voltage sources. Application: Mixed-voltage substations and industrial plants needing a single relay family for protection and monitoring. Feature → Business Impact → Application: Eight digital inputs and nine digital outputs enable direct integration with control systems, enabling event-based protection triggers and streamlined wiring, cutting wiring errors and shortening installation time. Application: Transformer protection schemes in new builds or retrofits. Feature → Business Impact → Application: Modbus TCP or DNP3 TCP/UDP over Ethernet RJ45 provides scalable, remote visibility and data logging, reducing现场巡检需求 and enabling SCADA integration. Application: Plant-wide monitoring and centralized alarming. Feature → Business Impact → Application: Current sensing inputs (two) plus phase current options (5A, 1A) support accurate protection and metering, improving fault discrimination and analytics. Application: Differential protection and metering for transformers. Feature → Business Impact → Application: Trip Coil Monitor, IRIG-B, and Sensitive Ground Input enhance signaling fidelity and time synchronization, delivering faster isolation and improved protection coordination. Application: Critical transformer protection in power distribution networks. Feature → Business Impact → Application: Removable terminals and semi-flush mounting simplify installation and maintenance, reducing downtime during servicing. Application: Field upgrades and retrofit projects where access and wiring changes are frequent. Feature → Business Impact → Application: Zone selective interlocking (2) accelerates fault isolation within bus or transformer protection schemes, improving reliability and reducing outage duration. Application: High-availability substations and industrial facilities with stringent uptime requirements.

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FAQs

This Eaton transformer relay uses removable terminals and supports a semi-flush mounting method, simplifying installation and future maintenance. With 8 digital inputs and 9 outputs, plan wiring to match your protection scheme, ensuring clear separation of logic, signaling, and power paths to minimize crosstalk and facilitate field service.
The unit provides two current sensing inputs, 8 digital inputs, and 9 digital outputs, along with a wide power supply range of 19–300 Vdc and 40–250 Vac. For transformer protection, this enables current-based protection logic, metering, and alarm signaling integrated directly into the control system.
Yes, the device supports Modbus TCP or DNP3 TCP/UDP over Ethernet RJ45. This enables seamless integration with SCADA or MES networks, remote diagnostics, and centralized data logging, reducing现场巡检需求 and improving visibility into protection status.
Designed as a transformer protection relay, it provides protection, monitoring, and communication capabilities suitable for substations and critical industrial installations. Features like current sensing inputs, zone selective interlocking, and removable terminals support robust protection coordination and easier maintenance in demanding environments.
Warranty is governed by Eaton’s policy: 1 year from installation or 18 months from shipment, whichever occurs first. For compliance verification, the data indicates ‘Compliances: Contact Manufacturer’; consult Eaton to confirm certifications (for example SIL, CE, or IP ratings) applicable to your facility and regulatory requirements.