GE EntelliGuard G - Cassette;Substructure; Door Interlocks; Ground Fault; Mechanical Operations Counter

DET-653C EntelliGuard
®
G Circuit Breaker Application Guide
24-May-12 Section 4. Accessories
©2012 General Electric All Rights Reserved
50
Ground Fault
The EntelliGuard TU Trip Unit provides a non-core CT input
for zero sequence or residual summation current. The
expected ratio is 1A = 100%.
Neutral Rogowski
The Neutral Rogoswki CT’s are used to measure the Neutral
Current and is required when Internal Ground Fault is
selected on the trip unit. There are two types available:
1. Encased with Terminal Screws: The Rogowski coil is
encased with two terminal screws. No additional
mounting hardware is required as the encasing is
molded to the mounting dimensions. Table 4.30
2. Loose Rogowski Coil with separate mounting
hardware: The coil and mounting hardware are
separate. The coil comes with the two wire leads
for connection to a terminal block. Table 4.30a
Table 4.30. Neutral Rogowski CTs
(Encased with Terminal Screws)
Envelope
Current Rating
Cat. No.
1
400 A
G04HNRCE
600/630 A
G07HNRCE
800 A
G08HNRCE
1000 A
G10HNRCE
1200/1250 A
G13HNRCE
1600 A
G16HNRCE
2000 A
G20HNRCE
2
400 A
G04MNRCE
600/630 A
G07MNRCE
800 A
G08MNRCE
1000
G10MNRCE
1200/1250 A
G13MNRCE
1600 A
G16MNRCE
2000 A
G20MNRCE
2500 A
G25MNRCE
3000/3200 A
G32HNRCE
4000 A
G32MNRCE
3
3000/3200 A (1600 A x 2)
G32LNRCE
4000 A (2000 A x 2)
G32LNRCE
5000 A (2000 A x 2)
G50LNRCE
6000/6400 A (3200 A x 2)
G64LNRCE
Table 4.30a. Neutral Rogowski CTs (Loose Rogowski Coil
and mounting hardware)
Envelope
Current Rating
Cat. No.
1
400 A
G04HNRC
600/630 A
G07HNRC
800 A
G08HNRC
1000 A
G10HNRC
1200/1250 A
G13HNRC
1600 A
G16HNRC
2000 A
G20HNRC
2
400 A
G04MNRC
600/630 A
G07MNRC
800 A
G08MNRC
1000
G10MNRC
1200/1250 A
G13MNRC
1600 A
G16MNRC
2000 A
G20MNRC
2500 A
G25MNRC
3000/3200 A
G32HNRC
4000 A
G32MNRC
3
3000/3200 A (1600 A x 2)
G32LNRC
4000 A (2000 A x 2)
G40LNRC
5000 A (2000 A x 2)
G50LNRC
6000/6400 A (3200 A x 2)
G64LNRC
Sealed Door Panel Escutcheon
An optional complete IP54 front door panel is available
when a higher degree of protection is needed (Table 4.31).
Mechanical Operations Counter
Used with either manual or motor charged circuit breakers,
the counter provides an accurate record of the cumulative
number of complete breaker closing operations (Table 4.31).
Table 4.31. Miscellaneous Accessories
Description
Cat. No.
IP54 Door Panel - Withdrawable Type
GF54D
IP54 Door Panel - Fixed Pattern
GW54D
Mechanical Operations Counter
GMCNR
ACB Lifting Truck
ACBLIFT
• Contact factory for availability.
Door Interlocks
See Table 4.32.
Table 4.32. Door Interlocks
Mounting
Catalog Number
Right mounted
GRHD
Left mounted
GLHD