Eaton EMR-4000-2A1GA0 Motor Relay - URTD IRIG-B Interface

Part Number: EMR-4000-2A1GA0
EMR-4000-2A1GA0
Manufacturer
Eaton
Part number
EMR-4000-2A1GA0
Category

Quick Summary

The Eaton motor relay EMR-4000-2A1GA0 monitors and protects motors in industrial drive systems. Engineers often struggle to integrate protection, metering, and communications into a compact package without sacrificing reliability. While compliance details vary by region, this relay supports interface and protection capabilities aligned with SIL-ready logic, CE workflows, and rugged IP-rated environments; confirm exact certification status with Eaton. Beyond safety, the device delivers precise current and voltage metering and versatile I/O to streamline maintenance, reduce downtime, and improve control across multi-motor applications. Its robust RS-485 and IRIG-B options help synchronize telemetry across devices. This combination supports scalable installations from small panels to plant-wide motor control.

Product Information

Extended Description

EMR-4000-2A1GA0 Eaton: Eaton, motor relay, 5A, 1A, Motor, D-Sub / RS-485, 19-300Vdc, 40-250Vac, Current Protection and Metering,Power Protection and Metering,Voltage Protection and Metering, URTD Interface,IRIG-B,Sensitive Ground Input
Product Name
Eaton motor relay
Catalog Number
EMR-4000-2A1GA0
UPC
786679147214
Product Length/Depth
8.06 in
Product Height
8.7 in
Product Width
9.72 in
Product Weight
9.259 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
Motor
Type
Motor relay
Analog inputs
0
Phase current
5A, 1A
Analog outputs
4
Digital inputs
8
Digital outputs
5
I/O options
URTD Interface IRIG-B Sensitive Ground Input
Modbus / DNP3 RTU
D-Sub / RS-485
Sensing inputs
Current Protection and Metering Voltage Protection and Metering Power Protection and Metering
Zone selective interlocking
1
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Feature: Wide input voltage and current ratings enable direct integration with common power sources and motor loads. Business Impact: Reduces wiring complexity and external power converters, cutting installation time and potential fault points. Application: Suitable for panel builders and machinery OEMs deploying 19–300 VDC and 40–250 VAC motor circuits with protection and metering needs. Feature: Comprehensive I/O—8 digital inputs, 4 analog outputs, and 5 digital outputs. Business Impact: Enables local sensing, control logic, and signaling without additional adapters, lowering total cost of ownership. Application: Ideal for integrated motor protection in compact control panels and centralized automation cabinets. Feature: URTD Interface, IRIG-B timing, and Sensitive Ground Input. Business Impact: Delivers precise time synchronization and grounded sensing for coordinated diagnostics and protection schemes. Application: Critical in multi-device telemetry and high-availability drive systems. Feature: Modbus / DNP3 RTU over RS-485 (D-Sub). Business Impact: Seamless SCADA and MES integration, enabling remote monitoring and fast fault isolation. Application: Plant-wide motor protection with centralized data collection. Feature: Zone selective interlocking (1). Business Impact: Reduces fault energy and improves selectivity, minimizing unnecessary shutdowns. Application: Essential for facilities with multiple motors sharing feeders and protection zones. Feature: Protection and metering suite (current, voltage, power). Business Impact: Delivers actionable power data for reliability planning and energy optimization. Application: Asset protection and efficiency programs across industrial drives.

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FAQs

This motor relay supports RS-485 via D-Sub, 8 digital inputs, 4 analog outputs, 5 digital outputs, and a 19–300Vdc/40–250Vac range. Plan for proper panel space to accommodate its 8.7 in height, 9.72 in width, and 8.06 in depth footprint. Ensure correct wiring gauge for current ratings and verify URTD/IRIG-B timing connections are isolated from noisy power lines to preserve signal integrity.
The device provides explicit current protection and metering as part of its sensing inputs and protection suite, with phase current ratings of 5A and 1A. It also factors voltage protection and power metering into its analytics, offering data-rich feedback for diagnostics, energy management, and protection coordination within motor drives.
Yes. The relay includes Zone Selective Interlocking (ZSI) capability, enabling selective tripping and reduced fault energy when multiple motors or feeders are involved. This feature improves system availability by isolating faults without unnecessary plant-wide shutdowns, which is especially beneficial in conveyors, pumps, and multi-motor fans.
Compliance details are listed as 'Contact Manufacturer' in the data. For critical projects, verify with Eaton the exact status of CE, UL/IEC, IP ratings, and SIL readiness in your region. Confirm installation standards, labeling, and documentation to ensure regulatory alignment for your facility and end-use application.
By consolidating protection, metering, and communications into a single device, the EMR-4000-2A1GA0 reduces wiring, panel complexity, and commissioning time. Its integrated metering supports energy optimization, while zone interlocking reduces downtime. Over time, these factors translate into lower maintenance costs, faster fault isolation, and improved equipment uptime.