Eaton W-VACi - Technical Parameters 24 Kv W-Vaci IEC Circuit Breaker

65A7355H01 November 2011 www.eaton.com
11
2.6 Technical Parameters 24 kV W-VACi IEC Circuit Breaker
Item
Unit
24kV W-VACi
Voltage (U
r
)
kV
24
24
Normal Current(I
r
)
A
630
800
1600
2000
2500
Short-Time Withstand Current(I
k
)
kA
20
20
25
25
25
Short Circuit Breaking Current(I
sc
)
kA
20
20
25
25
25
Duration of Short Circuit(t
k
)
sec
3
3
3
3
3
Frequency(f
r
)
Hz
50/60
50/60
50/60
50/60
50/60
Short circuit Making Current(I
ma
)
kA
50/52
50/52
63/65
63/65
63/65
Contact Closing Bounce Time
ms
≤2
≤2
≤2
≤2
≤2
Time Difference of Three Pole Opening and
Closing
ms
≤2
≤2
≤2
≤2
≤2
Fixed Resistance
1
µΩ
≤35
≤35
≤15
≤15
≤15
DO Resistance
1
µΩ
≤45
≤45
≤30
≤30
≤30
Closing Time
ms
25~50
25~50
25~50
25~50
25~50
Opening Time
ms
40~60
40~60
40~60
40~60
40~60
Closing Speed
1
m/s
0.7~1.3
0.7~1.3
0.7~1.3
0.7~1.3
0.7~1.3
Opening Speed
1
m/s
1.0~1.7
1.0~1.7
1.0~1.7
1.0~1.7
1.0~1.7
D.C. Component of Breaking Current(I
dc
)
%
30
30
30
30
30
Cable-Charging Breaking Current (C2)
A
31.5
31.5
31.5
31.5
31.5
Single Capacitor Bank Breaking Current (C2)
A
-
-
-
-
-
Back to Back Capacitor Bank Breaking Current
(C1)
A
-
-
-
-
-
Pole to Pole Spacing (Center to Center)
mm
210
210
275
275
275
Upper to Lower Terminal Spacing
mm
310
310
310
310
310
Mechanical Endurance
Cycle
10k
10k
20k
20k
20k
Electrical Endurance
Cycle
10k
10k
20k
20k
20k
Rated Insulation
Level
Rated Power
Frequency Withstand
Voltage(U
d
)
kV
50
50
50
50
50
Rated Lighting Impulse
Withstand Voltage(U
p
)
kV
125
125
125
125
125
Operating Sequence
O-0.3s-CO-15s-CO
Classification
E2-M2-S1
1:
Testing configurations available upon request