Description
76/293
Revision 11 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C • 802-9081.9
10.9
Three-position disconnector for circuit-breaker, disconnector and bus
sectionalizer panels ≥ 1000 A
10.10 Three-position switch-disconnector for switch-disconnector panels, ring-
main panels and circuit-breaker panels up to 630 A, vacuum contactor panel
and metering panel
Fuse protection table: Line protection of motor operating mechanism for three-
position switch
Rated voltage
kV
7.2
12
15
17.5
24
Rated current
A
≥ 1000/1250/2000/2500
≥ 1000/1250/2000
Rated short-time withstand
current
kA (3 s)
31.5
25
Rated peak withstand current
kA
80 kA
63 kA
Rated voltage
U
r
kV
7.2
12
15
17.5
24
Rated insulation level
Rated short-duration power-frequency
withstand voltage
U
d
kV
20
28
35
38
50
Rated lightning impulse withstand voltage
U
w
kV
60
75
95
95
125
Rated frequency
f
r
Hz
50/60
50/60
50/60
50/60
50/60
Rated normal current
Panels without HV HRC fuses
I
r
A
630
630
630
630
630
Transformer feeders
1
I
r
A
200
200
200
200
200
Rated short-time withstand
current
Panels without HV HRC fuses
t
k
= 1 s
t
k
up to kA 20/25
20/25
20/25
20/25
20/-
t
k
= 3 s
t
k
kA
20/-
20/-
20/-
20/-
20/-
Panels with HV HRC fuses
t
k
= 1 s
t
k
up to kA 31.5
31.5
31.5
25
25
t
k
= 3 s
t
k
kA
31.5
31.5
31.5
25
25
Rated peak withstand current Panels without HV HRC fuses
I
p
up to kA 50/63
50/63
50/63
50/63
50/-
Panels with HV HRC fuses
I
p
up to kA 80
80
80
63
63
Rated short-circuit making
current
Transformer feeders
2
I
ma
kA
80
80
80
63
63
Ring-main feeders
I
ma
up to kA 50/63
50/63
50/63
50/63
50/-
1
Depending on HV HRC fuse-link
2
Depending on let-through current of HV HRC fuse
Rated voltage of
operating mechanism
Operating voltage
1
Power consumption
of motor
Rated current of
operating mechanism
Normal current
Smallest possible rated
current of the miniature
circuit-breaker
110%
80%
U
a
[V]
U
max
[V] U
min
[V] P [W]
S [VA]
I
a_A
[A]
I
max
[A]
I
min
[A] I
a_S
[A]
DC
24
26
19
150
–
6.3
7.8
5.7
6
30
33
24
150
–
5.0
6.3
4.5
6
32
35
26
150
–
4.7
5.9
4.3
6
48
53
38
150
–
3.1
3.9
2.8
4
60
66
48
150
–
2.5
3.1
2.3
3
110
121
88
150
–
1.4
1.7
1.2
2
120
132
96
150
–
1.3
1.6
1.1
2
125
138
100
150
–
1.2
1.5
1.1
2
127
140
102
150
–
1.2
1.5
1.1
2
220
242
176
150
–
0.7
0.9
0.6
1
240
264
192
150
–
0.6
0.8
0.6
1
AC
100
110
80
–
190
1.9
2.4
1.7
2
110
121
88
–
190
1.7
2.2
1.6
2
120
132
96
–
190
1.6
2.0
1.4
2
125
138
100
–
190
1.5
1.9
1.4
2
230
253
184
–
190
0.8
1.0
0.8
1
240
264
192
–
190
0.8
1.0
0.7
1
1
The operating voltage may deviate from the rated voltage specified in the table by –20% to +10%.