Tables 1 and 2 show rating information for the Types GV
and GW sectionalizers.
Type GV and GW Installation Instructions
4
Table 1
Basic Sectionalizer Ratings
Type GV
Type GW
Nominal Voltage (kV) . . . . . . . . . . . . . . . . . . . . .
14.4
34.5
Rated Maximum Voltage (kV) . . . . . . . . . . . . . . .
15.5
38.0
Impulse Withstand
1.2 x 5.0 microsecond wave
BIL (kV) . . . . . . . . . . . . . . . . . . . . . . . . . . . .
110
150
60 Hz withstand
Dry, 1 minute (kV) . . . . . . . . . . . . . . . . . . . .
50
70
Wet, 10 seconds (kV) . . . . . . . . . . . . . . . . .
45
60
Continuous Current Rating (A) . . . . . . . . . . . . . .
400
400
Rated symmetrical
interrupting current (A rms) . . . . . . . . . . . . .
880
880
Rated making current,
asymmetrical (A rms) . . . . . . . . . . . . . . . . .
20000
15000
Short-time ratings (A rms)
10-seconds symmetrical . . . . . . . . . . . . . . .
4000
3500
1-second symmetrical . . . . . . . . . . . . . . . . .
12500
10000
Momentary maximum,
asymmetrical (A rms) . . . . . . . . . . . . . . . . .
20000
15000
Creepage distance,
standard bushing mm (in) . . . . . . . . . . . . . .
280 (11)
431 (17)
Table 2
Operating Data
Phase-minimum-
actuating current (A) . . . . . . . .
16, 24, 40, 56, 80, 112, 160, 224, 256, 296, 320, 448, 480, 640
Ground-minimum-
actuating current (A) . . . . . . . .
3.5, 7, 16, 20, 28, 40, 56, 80, 112, 160, 224, 320, 448, BLOCK
Number of counts to open . . . . . . .
1, 2, 3
Count reset (seconds) . . . . . . . . . .
15, 30, 60, 90, 120, 180
RATINGS