Eaton ETR-5000-2B3EB0 Transformer Relay - Profibus-DP RS485

Part Number: ETR-5000-2B3EB0
ETR-5000-2B3EB0
Manufacturer
Eaton
Part number
ETR-5000-2B3EB0
Category

Quick Summary

Eaton transformer relay ETR-5000-2B3EB0 provides advanced transformer protection for industrial and utility power systems. It helps engineers overcome slow fault isolation and inconsistent metering in complex networks. Typical industry certifications relevant to protective relays include CE marking, SIL readiness, and robust IP-rated enclosures; Eaton provides documentation to support these areas. Power-supply range 19-300 VDC and 40-250 VAC enables flexible installations across plant AC/DC ecosystems while Profibus-DP over RS485 ensures fast data exchange. This translates to lower lifecycle costs, easier integration, and improved safety for mission-critical transformer protection.

Product Information

Extended Description

ETR-5000-2B3EB0 Eaton: Eaton, transformer relay, ETR-4000, Transformer protection relay, Profibus-DP over D-SUB / RS485, 5A, 1A, 40-250 Vac, 19-300 Vdc, 8, 9,Transformer, over D-Sub / RS-485,19-300Vdc, 40-250Vac, 50/60 Hz Sensitive Ground Input
Product Name
Eaton transformer relay
Catalog Number
ETR-5000-2B3EB0
UPC
786679156636
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
2
Analog outputs
2
Base relay
ETR-4000
Conformal coating
Conformal Coated Circuit Boards
Communication
Profibus-DP over D-SUB / RS485
Current sensing inputs
2
Digital inputs
8
Digital outputs
9
I/O options
Sensitive Ground Input URTD Interface IRIG-B Trip Coil Monitor
Phase current
5A, 1A
PROFIBUS-DP
over D-Sub / RS-485
Sensing inputs
Current Protection and Metering Voltage Protection and Metering Power 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
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The Profibus-DP over D-Sub/RS485 interface enables seamless integration with existing PLCs and automation networks, reducing integration time and wiring complexity while speeding fault diagnosis and data sharing across control rooms. Business impact: faster fault isolation and improved visibility. Applications: networked transformer protection in plants and utilities. The relay provides 2 analog inputs and 2 analog outputs for precise metering and protection staging, delivering improved protection accuracy and reduced nuisance trips in transformer bays. Business impact: higher reliability and easier compliance reporting. Applications: voltage and power protection with metering across critical feeders. With 8 digital inputs and 9 outputs, plus zone-selective interlocking (2), operators gain robust control logic and safer sequencing. Business impact: enhanced safety and reduced maintenance visits. Applications: coordinated protection schemes and interlocks in substations. The unit supports a 19-300 VDC / 40-250 VAC power supply range, 50/60 Hz, and removable terminals, offering installation flexibility and faster commissioning. Business impact: adaptable retrofits and simplified service. Applications: retrofit projects and semi-flush mounting in compact control panels. Its Conformal Coated Circuit Boards and URTD/IRIG-B IO options (Trip Coil Monitor) improve reliability in harsh environments and help future-proof modernization efforts. Business impact: longer service life and easier hot-plug upgrades. Applications: outdoor or corrosive environments with enhanced field resilience.

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FAQs

The ETR-5000-2B3EB0 uses PROFIBUS-DP over D-Sub/RS485 for seamless integration with existing PLCs and control systems. With 8 digital inputs, 9 outputs, and removable terminals, it fits into standard protection architectures and retrofit projects without extensive rewiring. This compatibility minimizes commissioning time while preserving network performance and data visibility across the plant floor.
Key specs include 2 current sensing inputs, 2 analog inputs, 2 analog outputs, and a power-supply range of 19-300 VDC / 40-250 VAC at 50/60 Hz. These capabilities support accurate metering and reliable protection logic across both DC and AC power rails, reducing measurement error and improving trip decisions in transformer protection schemes.
Yes. The device is designed as a transformer protection relay with multiple protection and metering functions, including voltage and current protection, differential protection, and zone selective interlocking. Its flexible power input and Profibus-DP communication make it suitable for medium-voltage protection schemes in both new installations and upgrades, while its modular base and I/O options support scalable protection architectures.
The product page provides access to specification sheets, datasheets, and warranty information. Compliance status is listed as 'Contact Manufacturer,' so customers should refer to Eaton-provided documentation for CE, SIL readiness, or IP enclosure details. For project approvals, request the formal certification and compliance pack from Eaton to align with your regulatory requirements.
ROI is driven by reduced wiring complexity, faster fault isolation, and easier network integration, which shorten commissioning and maintenance cycles. The device’s removable terminals, semi-flush mounting, conformal coating, and URTD/IRIG-B options simplify installation and reliability in harsh environments, lowering field-service visits and extending mean time between failures in transformer protection applications.