GE Multilin 350, Operation & Maintenance Manual

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Section 3
GE POWER/VAC Power Circuit Breaker Characteristics Symetrical Ratings Basis per ANSI C37.06 - 2000
2400
1200-4000
31.5
5 or 3
31.5
82
4160
1200-4000
40
5 or 3
40
104
4200
1200-4000
50
5 or 3
50
130
1200-4000
63 *
5
63
164
6600
1200-4000
40
5 or 3
40
104
6900
1200-4000
50 *
5 or 3
50
130
7200
1200-4000
63 *
5
63
164
12000
1200-4000
20
5 or 3
20
52
12470
1200-4000
25
5 or 3
25
65
13200
1200-4000
31.5
5 or 3
31.5
82
13800
1200-4000
40
5 or 3
40
104
14400
1200-4000
50
5 or 3
50
130
1200-4000
63
5
63
164
Notes: 1 Maximum voltage for which the breaker is designed and upper limit of operation. 2 Available current ratings are 1200A, 2000A, 3000A, 3500A and 4000A. 4000A rating is forced-air cooled, indoor constrcution
only.
3500A is available in outdoor construction, but must be derated to 3250A. 3 At system operating voltages equal to or less than rated maximum voltage.
AVAILABLE RATINGS
4.76 8.25
15
60
19
Rated
Permissible
Tripping Delay, Y
(Seconds)
Rated Interrupting
Time (Cycles)
36
2 Sec Short
time Current
Carrying
Capability
(kA)
36
95 95
2 2 2
Typical System
Operating
Voltages (kV)
Peak Close and
Latch
(2.6K x short
circuit current
rating)
(kA)
Rated Maximum
rms Voltage (kV)
(1)
Rated Voltage
Range Factor,
K
Rated Withstand
Test Voltage
Continuous rms
Current Rating at
60Hz (amperes)
(2)
Rated Short
Circuit Current
(Maximum
Interrupting
Capability)
(kA) (3)
Low Frequency
rms Voltage (kV)
Crest Impulse
Voltage (kV)
Nominal ANSI Voltage Class
(kV)
1.0 1.0 1.0
4.16
7.2
13.8
Table 3-1.1 Power/Vac
®
Power Circuit Breaker Characteristics, K = 1.0
3-3
Notes:
1 Maximum voltage for which the breaker is designed and upper limit of operation. 2
A
vailable current ratings are 1200A, 2000A, 3000A, 3500A
and 4000A. 4000A
rating is forced-air cooled, indoor construction
only
.
3500A is available in outdoor construction, but must be derated to 3250A. 3
At system operating volt
ages equal to or less than rated maximum volt
age.
* Ratings of
fered in addition to the
ANSI preferred values
Power/V
ac Power
®
Circuit Breaker Characteristics
Symetrical Ratings Basis per ANSI C37.06 - 2000
New Lineup Breakers = 40kA A
dd to Service Center Switchgear = 50kA