Eaton transformer relay ETR-5000-2A3CA0 - Modbus TCP over Ethernet RJ-45

Part Number: ETR-5000-2A3CA0
ETR-5000-2A3CA0
Manufacturer
Eaton
Part number
ETR-5000-2A3CA0
Category

Quick Summary

The Eaton transformer relay is a protection and monitoring device designed for transformers in industrial facilities, enabling fast fault detection. Engineers often struggle with integration headaches, complex wiring, and fragmented diagnostic data that delay maintenance decisions. Typical certifications for this class include CE marking for regulatory compliance, SIL readiness for critical protection logic, and rugged IP-rated enclosures for harsh environments. By consolidating inputs and outputs and supporting Modbus TCP or DNP3 over Ethernet, it streamlines deployment, improves visibility, and lowers total cost of ownership. With 8 digital inputs, 9 digital outputs, 2 current sensing inputs, and a broad power range, it suits modern transformer protection schemes.

Product Information

Extended Description

ETR-5000-2A3CA0 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 Sensitive Ground InputTrip Coil Monitor
Product Name
Eaton transformer relay
Catalog Number
ETR-5000-2A3CA0
UPC
786679157992
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
IRIG-B Sensitive Ground Input Trip Coil Monitor URTD Interface
Modbus / DNP3 RTU
over Ethernet RJ-45
Phase current
5A, 1A
Sensing inputs
Current Protection and Metering Power Protection and Metering Differential Protection Voltage Protection and Metering
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
1
Terminals
Removable
E-series protective relays E-series protective relays Introduction to Eaton's E-Series Relay, Step 1: Physical Connections Introduction to Eaton's E-Series Relay, Step 1: Physical Connections Introduction to Eaton's E-Series Relay, Step 1: Physical Connections Introduction to Eaton's E-Series Relay, Step 1: Physical Connections Introduction to Eaton's E-Series Relay, Step 1: Physical Connections Introduction to Eaton's E-Series Relay, Step 1: Physical Connections Introduction to Eaton's E-Series Relay, Step 1: Physical Connections Eaton Specification Sheet - ETR-5000-2A3CA0
Feature: Flexible power and input range. Benefit: reduces the need for multiple devices in mixed DC/AC power environments, enabling a single relay to cover diverse installations. Application: transformer protection in facilities with variable supply conditions. Feature: Ethernet-based communication (Modbus TCP or DNP3 TCP/UDP over Ethernet RJ-45). Benefit: seamless integration with SCADA/EMS and faster fault diagnosis, lowering MTTR. Application: data-driven protection and remote monitoring for transformers. Feature: 8 inputs and 9 outputs with 2 current sensing inputs and 2 zone-selective capabilities. Benefit: richer protection logic and precise control without expansion modules, cutting wiring and cabinet space. Application: complex protection schemes including metering and differential protection. Feature: I/O options including IRIG-B, Sensitive Ground Input, Trip Coil Monitor, URTD Interface. Benefit: versatile interfacing for precise timing, grounding, and trip verification. Application: reliability-focused transformer protection in rugged environments. Feature: Removable terminals and semi-flush mounting. Benefit: faster field wiring and easier maintenance with minimal downtime. Application: installation in current switchgear or compact relay racks. Feature: Dual power supply ranges (19-300 Vdc, 40-250 Vac) and 50/60 Hz operation. Benefit: universal compatibility across plant votages, simplifying procurement and stocking. Application: global deployments and scalable protection strategies.

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FAQs

The ETR-5000-2A3CA0 features removable terminals and semi-flush mounting to simplify wiring and fast installation. With 8 digital inputs and 9 digital outputs, it fits compact panels while offering ample I/O for transformer protection schemes. The device supports both DC and AC power, enabling quick integration without a new power backbone.
This transformer relay accepts 19-300 VDC or 40-250 VAC power and operates at 50/60 Hz. It provides 8 inputs and 9 outputs, plus 2 current-sensing inputs. For communication, it supports Modbus TCP or DNP3 TCP/UDP over Ethernet RJ-45, enabling direct integration with existing control networks.
Yes. Designed for transformer protection and metering, the relay consolidates protection logic, zone selective interlocking, and current/voltage sensing inputs. Its Ethernet-based communication enables real-time data access for MT/LT protection schemes, enhancing reliability and enabling rapid fault isolation in industrial settings.
Compliance details are provided by the manufacturer; the product page indicates ‘Compliances: Contact Manufacturer.’ In practice, Eaton’s transformer protection relays are used in regulated installations and typically align with regional electrical standards when installed per Eaton guidelines and local codes.
The relay reduces downtime with faster fault detection, minimizes wiring by consolidating I/O, and streamlines integration with SCADA/EMS via Ethernet protocols. Its modular protection, timing accuracy (IRIG-B interface option), and broad power compatibility translate to lower maintenance costs and improved asset reliability over the equipment’s lifecycle.