Time Overcurrent Unit - GE IBCG51M A Series Instructions Manual

Ground directional overcurrent relays
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OVERCURRENT
TIME,
UNIT
The one second ratings of the TOC units are given In Table 2. The continuous ratlngs
for the vartous taps of each model and current range are glven in Tables 3. 4 and 5.
.-.
Model
1.5-12.0 Amp Ranqe
Model
*Indicates Revision
RATING OF 0.5-4.0 AMP TOC UNITS
CONTINUOUS
mp Range
Tap
0.5
0.6
1.8
Rating
1.6
4.0
4.5
3.5
3.7
CONTINUOUS RATING OF 1.5-12.0 AMP TOC UNITS
1.5 2.0 2.5 3.0 4.0 510 6.0 7.0 8.0
Rating
10.0 11.5 13.0 14.5 17.0 19.0 21.0 23.0 23.5 27.5 30.5
9.5 10.5
TABLE 3
0.7 0.8
1.0
1.2
2.0 2.1
2.3
2.7
5 . 5 5 . 5
6 . 0
7.0
4.0
4.5
5 . 0 5.5
TABLE 4
11.5 12.5 14.0 15.5 17.0 18.0 19.0 20.0 20.0
6
1.5 2.0
2.5
3.0
3.0 3.5
4.0
4.5
7.5 9 . 0 10.0 11.0 13.0
6.0 7 . 0
8.0
9 . 0 10.0
10.0 12.0
4.0
5.0

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