Eaton transformer relay ETR-5000-2A3BB0 - 50/60 Hz
Part Number: ETR-5000-2A3BB0
Quick Summary
Eaton transformer relay protects transformer assets in industrial power systems and OEM equipment. Engineers often struggle with coordinating protection, monitoring, and remote diagnostics across multiple sites. Official compliance details are documented in the Eaton specification sheet, including CE conformance and IP-related considerations. By integrating Modbus RTU or DNP3 RTU over RS485, this relay enables scalable monitoring, secure data exchange, and faster protection decisions across global deployments.
Product Information
Extended Description
ETR-5000-2A3BB0 Eaton: Eaton, transformer relay, ETR-4000, Transformer protection relay, Modbus RTU or DNP3 RTU over RS485, 5A, 1A, 40-250 Vac, 19-300 Vdc, 8, 9,Transformer, over RS-485,19-300Vdc, 40-250Vac, 50/60 Hz Trip Coil MonitorSensitive Ground Input,
Product Name
Eaton transformer relay
Catalog Number
ETR-5000-2A3BB0
UPC
786679157794
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
Conformal Coated Circuit Boards
Communication
Modbus RTU or DNP3 RTU over RS485
Current sensing inputs
2
Digital inputs
8
Digital outputs
9
I/O options
Trip Coil Monitor IRIG-B URTD Interface Sensitive Ground Input
Modbus / DNP3 RTU
over RS-485
Phase current
5A, 1A
Sensing inputs
Power Protection and Metering Current Protection and Metering Voltage 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
1
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 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-5000-2A3BB0
Feature: Modbus RTU or DNP3 RTU over RS485 enables seamless SCADA integration. Benefit: reduces field wiring, accelerates fault isolation, and improves visibility for operators. Application: transformer protection in substations and OEM installations. Feature: Eight digital inputs and nine digital outputs with two current-sensing inputs. Benefit: enables robust local interlocks and signaling without extra controllers, cutting hardware cost and wiring complexity. Application: modular protection schemes and safe interlock logic for complex switchgear. Feature: Power supply range of 19-300 Vdc and 40-250 Vac with 50/60 Hz. Benefit: supports global deployments with diverse power environments, simplifying procurement. Application: multinational facilities and retrofits where supply variance is common. Feature: Conformal coated circuit boards and removable terminals with semi-flush mounting. Benefit: higher reliability in harsh industrial environments and easier field service. Application: factory floors, outdoor installations, and retrofit projects. Feature: I/O options including Trip Coil Monitor, IRIG-B, URTD Interface, and Sensitive Ground Input. Benefit: enhanced protection coordination and time synchronization for precise fault detection. Application: zone selective interlocking and critical protection schemes.
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FAQs
The unit features removable terminals and semi-flush mounting, enabling straightforward panel installation. For best results, follow the Eaton datasheet guidance on terminal torque, wiring separation, and enclosure clearance to maintain reliability in industrial environments.
It provides 8 digital inputs, 9 digital outputs, and 2 current sensing inputs, with a power supply range of 19–300 Vdc and 40–250 Vac at 50/60 Hz. The device supports RS485 communications using Modbus RTU or DNP3 RTU for remote monitoring.
Yes. The relay is designed for Modbus RTU or DNP3 RTU communications over RS485, enabling integration with PLCs and SCADA systems for centralized protection monitoring and control.
It is well-suited for transformer protection in substations and OEM power equipment, offering robust protection logic, metering capabilities, and flexible protection coordination through its 8/9 I/O and RS485 comms.
The product follows Eaton’s standard warranty policies (one year from installation or eighteen months from shipment, whichever comes first). Comprehensive technical documentation is available in the Eaton specification sheet and datasheets.