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Eaton’s Generator Relays (EGR5000) are preferred by users because of their unmatched versatility and dependability. These multifunctional relays provide control and backup protection for medium- to large-sized generators. The EGR’s zone-selective interlocking function improves coordination and tripping time. The unique design provides complete metering, protection, and control in a single compact case, saving panel space and overall cost.
Eaton E-Series Protection Relay Devices purchased after May 31, 2023 will now have a warranty extension of 10 years, superseding the previous warranty of 18 months.
Eaton generator relays support all of the following communication protocols as well as the "Do Not Use" option.
50BF— Breaker failure
50P— Phase instantaneous overcurrent elements
50R— Calculated ground or neutral instantaneous overcurrent elements
50X— Measured ground or neutral instantaneous overcurrent elements
51P— Phase overcurrent protection per time-current curve elements
51V— Voltage restraint elements
51R— Calculated ground fault protection per time-current curve elements
51X— Measured ground or neutral fault protection per time-current curve elements
49/51— Thermal protection element
67P/67R/67X— Directional overcurrent elements
46— Current unbalance elements
47— Voltage unbalance elements
27A/27M— Auxiliary and main three-phase undervoltage elements
59A/59M— Auxiliary and main three-phase overvoltage elements
59N— Ground fault overvoltage element
81U/O— Underfrequency and overfrequency elements
78V— Vector surge element
55A/55D— Apparent and displacement power factor elements
32— Forward and reverse watts elements
32V— Forward and reverse VARs elements
24— Over-excitation, volts-per-hertz
27T— Low voltage ride-through (LVRT)
27Q— Reactive power and undervoltage
(64S) 27TN/59N— Stator ground fault
46G— Generator unbalance
40— Loss of excitation
25— Sync check
79— Auto-reclosing
86— Lockout
LOP— Loss of potential
CLPU— Cold load pickup
SG Wear— Switchgear wear
SOTF— Switch on to fault
CTS— Current transformer supervision
74TCM— Trip coil monitor
ZI— Zone selective interlocking
87— Phase current differential protection
87H— Unrestrained high-set differential current protection
87GD— Restricted ground fault protection
87GDH— High set restricted ground fault protection
50/27— Inadvertent energization
EGR-5000 Functions
All E-series relays, including our E-series motor relays, use the same software interface for easy access to information and programming of settings. Whether you are using the front panel or the external software, the interface is the same on all models.
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Find detail information on troubleshooting common problems that occur with Eaton's E-series protective relays.
Support from Eaton
Technical Support Information
For support on any aspect of the product or installation process contact our Customer Integrity Team:
Pricing, Availability and expedites (Eaton Care)
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