4 | Technical data
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8DJH • Installation and Operating Instructions • Version 11 • 500-8384.9
4.4 Vacuum circuit-breaker
Switching capacity and classification of the vacuum circuit-breakers according to IEC/
EN 62271‑100 / VDE 0671‑100.
Tab. 22:
Type 1.1 with three-position disconnector
Rated voltage U
r
kV
7.2
12
15
17.5
24
Rated normal current of feeders l
r
A
630
50 Hz
Rated short-time withstand current
I
k
Switchgear with t
k
= 1 s
I
k
(
th
)
up to kA
25
1)
20/21
2)
Switchgear with t
k
= 3 s
I
k
(
th
)
up to kA
20/21
2)
Rated peak withstand current I
p
up to kA
63
50/52.5
2)
Rated short-circuit breaking current I
sc
up to kA
25
20/21
2)
Rated short-circuit making current I
ma
up to kA
63
50/52.5
2)
60 Hz
Rated short-time withstand current
I
k
Switchgear with t
k
= 1 s
I
k
(
th
)
up to kA
25
20/21
2)
Switchgear with t
k
= 3 s
I
k
(
th
)
up to kA
20/21
2)
Rated peak withstand current I
p
up to kA
65
52/55
2)
Rated short-circuit breaking current I
sc
up to kA
25
20/21
2)
Rated short-circuit making current I
ma
up to kA
65
52/55
2)
Number of operating cycles for disconnector, mechanical
1,000
Number of operating cycles for earthing switch, mechanical
1,000
Number of operating cycles for circuit-breaker, mechanical
10,000 (2,000
3)
)
Classification of circuit-breaker
M1
3)
, M2, E2, C2, S1
Classification of disconnector
M0
Classification of make-proof earthing switch
E2
Rated operating sequence
O - 0.3 s - CO - 3 min - CO
O - 0.3 s - CO - 15 s - CO on request
Number of short-circuit breaking operations
n
25 or 50
1)
Depending on the secondary equipment used
2)
Design option
3)
Charging the spring energy store manually
Tab. 23:
Type 2 with three-position disconnector
Rated voltage U
r
kV
7.2
12
15
17.5
24
Rated normal current of feeders l
r
A
250 or 630
50 Hz
Rated short-time withstand current
I
k
Switchgear with t
k
= 1 s
I
k
(
th
)
up to kA
25
20/21
1)
Switchgear with t
k
= 3 s
I
k
(
th
)
up to kA
20/21
1)
Rated peak withstand current I
p
up to kA
63
50/52.5
1)
Rated short-circuit breaking current I
sc
up to kA
25
20/21
1)
Rated short-circuit making current I
ma
up to kA
63
50/52.5
1)
60 Hz
Rated short-time withstand current
I
k
Switchgear with t
k
= 1 s
I
k
(
th
)
up to kA
25
20/21
1)
Switchgear with t
k
= 3 s
I
k
(
th
)
up to kA
20/21
1)
Rated peak withstand current I
p
up to kA
65
52/55
1)
Rated short-circuit breaking current I
sc
up to kA
25
20/21
1)
Rated short-circuit making current I
ma
up to kA
65
52/55
1)
Number of operating cycles for disconnector, mechanical
1,000
Number of operating cycles for earthing switch, mechanical
1,000
Number of operating cycles for circuit-breaker, mechanical
2,000
Classification of circuit-breaker
M1, E2, C1, S1
Classification of disconnector
M0
Classification of make-proof earthing switch
E2
Rated operating sequence
O - 3 min - CO - 3 min - CO
Number of short-circuit breaking operations
n
6 or 20
1)
Design option
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