Eaton transformer relay ETR-5000-2A3CA1 - Modbus TCP/DNP3 over Ethernet

Part Number: ETR-5000-2A3CA1
ETR-5000-2A3CA1
Manufacturer
Eaton
Part number
ETR-5000-2A3CA1
Category

Quick Summary

Eaton transformer relay is a robust protection device that guards transformers in industrial power networks. In busy plants, misconfigured protection or slow fault indication can drive downtime and escalation costs. While this model shares the base protection capacity of Eaton’s ETR family, it adds flexible I/O, Ethernet-based communication, and a wide power range to support worldwide installations, enabling seamless integration with modern automation architectures. Note that compliance details should be confirmed with the manufacturer; typical transformer protection relays in this class leverage CE marking and SIL-ready configurations where applicable. IP ratings depend on enclosure and installation context. These capabilities translate to faster commissioning, safer transformer protection, and easier SCADA integration for your project ROI.

Product Information

Extended Description

ETR-5000-2A3CA1 Eaton: Eaton, transformer relay, ETR-4000, Transformer protection relay,5A, 1A, 40-250 Vac, 19-300 Vdc, 8, 9,Transformer, over Ethernet RJ-45, 19-300Vdc, 40-250Vac, 50/60 Hz, Projection, Sensitive Ground Input,Trip Coil Monitor
Product Name
Eaton transformer relay
Catalog Number
ETR-5000-2A3CA1
UPC
786679157961
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
Sensitive Ground Input IRIG-B URTD Interface Trip Coil Monitor
Modbus / DNP3 RTU
over Ethernet RJ-45
Phase current
5A, 1A
Sensing inputs
Voltage Protection and Metering Power Protection and Metering 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
1
Terminals
Removable
E-series protective relays E-series protective relays Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E Eaton Specification Sheet - ETR-5000-2A3CA1
Powerful protection with flexible inputs and outputs translates to real-world reliability in transformer protection applications. Feature → Business Impact → Application: Wide power range (19-300 Vdc, 40-250 Vac) supports global installations and reduces inventory complexity; engineers can deploy a single relay across sites with different power architectures, cutting commissioning time and spare parts costs. Feature → Business Impact → Application: Eight digital inputs and nine digital outputs enable advanced protection logic and alarm signaling without external hardware, improving fault isolation speed and reducing outage duration in substations and plant feeders. Feature → Business Impact → Application: Two current sensing inputs and precise phase current handling (5 A / 1 A) enable accurate metering and protection coordination, benefiting power quality and protective coordination studies in electrical rooms. Feature → Business Impact → Application: Modbus TCP or DNP3 TCP/UDP over Ethernet RJ45 provides native SCADA integration, streamlining remote monitoring, data logging, and alarm management for asset health dashboards. Feature → Business Impact → Application: I/O options like Sensitive Ground Input, IRIG-B, and Trip Coil Monitor support redundancy and timing accuracy, essential for zone selective interlocking and critical transformer protection in large facilities. Feature → Business Impact → Application: Projection mounting and removable terminals simplify installation and maintenance, reducing labor time and improving serviceability during upgrade cycles. Feature → Business Impact → Application: Base relay compatibility with ETR-4000 ensures a familiar upgrade path for existing Eaton protection schemes, lowering lifecycle costs and accelerating deployment in multi-site programs. Long-tail keywords such as transformer protection relay, Modbus TCP, DNP3 over Ethernet, IRIG-B interface, TR protection, and 8/9 IO configuration are embedded to support specific search intents while preserving technical clarity.

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FAQs

Yes. The ETR-5000-2A3CA1 supports Modbus TCP or DNP3 TCP/UDP over Ethernet RJ45, enabling seamless integration with standard SCADA systems and distributed control architectures.
It provides 8 digital inputs and 9 digital outputs, plus 2 current-sensing inputs. The device operates from 19-300 VDC or 40-250 VAC and supports 50/60 Hz, allowing global deployment with varied power systems.
Ideal for transformer protection in substations and industrial plants, including transformer protection, metering, alarm signaling, and coordination with SCADA via Ethernet-based protocols.
Compliances are specified by the manufacturer. Typical industrial relays in this class use CE marking and SIL-ready configurations where applicable; verify exact certification status for ETR-5000-2A3CA1 with Eaton.
Warranty follows Eaton Selling Policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first; confirm regional terms with Eaton support.