User`s guide

Volume 3—Power Distribution and Control Assemblies CA08100004E—November 2013 www.eaton.com V3-T9-251
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9.4
Metering Devices, Protective Relays, Software and Connectivity
Protective Relays
Product Selection
Each installation requires:
●
One relay unit (select trip
ampere as required)
●
One current sensor (select
configuration required)
●
One circuit breaker or
disconnect device with
shunt trip, or a shunt trip
attachment for mounting
in existing breaker
●
Test panel (optional)
GFR Relay
Current Sensor
Note
1
Suitable for either surface or semi-flush mounting.
Ground Fault Pickup Amperes
1–12 5–60 100–1200
GFR Relay
Types
Catalog
Number
1
Catalog
Number
1
Catalog
Number
1
For 120 Volt 50/60 Hz Control
Electrical reset with zone interlocking GFR12EI GFR60EI GFR1200EI
Electrical reset without zone interlocking GFR12E GFR60E GFR1200E
Mechanical reset with zone interlocking GFR12MI GFR60MI GFR1200MI
Mechanical reset without zone interlocking GFR12M GFR60M GFR1200M
For 120 Vdc Control
Mechanical reset without zone interlocking — — GFR1200MD
Description—Window Size in Inches (mm)
Catalog
Number
Used with Relays Rated 1–12 Amperes
5.50 (139.7) inside diameter 1283C45G01
Used with Relays Rated 5–60 Amperes
2.50 (63.5) inside diameter 179C768G01
5.50 (139.7) inside diameter 1256C13G01
7.81 x 11.00 (198.4 x 279.4) rectangular
1
1257C88G04
3.31 x 24.94 (84.1 x 760.5) rectangular
1
1257C92G03
Used with Relays Rated 100–1200 Amperes
2.50 (63.5) inside diameter 179C768G02
5.50 (139.7) inside diameter 1256C13G02
8.25 (209.6) inside diameter 179C767G02
7.81 x 11.00 (198.4 x 279.4) rectangular
1
1257C88G03
9.94 x 16.94 (252.5 x 430.3) rectangular
1
1257C90G02
9.94 x 23.94 (252.5 x 608.1) rectangular
1
1257C91G02
15.94 x 19.94 (404.9 x 506.4) rectangular
1
1257C89G02
3.31 x 24.94 (84.1 x 633.5) rectangular
1
1257C92G04
6.75 x 29.64 (171.5 x 752.9) rectangular
1
1255C39G03
GFR Relay