6
V D 4 X
I N S T R U C T I O N M A N U A L
—
Technical data
2.1 Circuit-breaker VD4X
Rated voltage
Maximum operating voltage
Standards
Switchgear type
Insulating gas system
1)
Insulating gas
Alarm level for insulation (pae) at 20
°C
Rated filling level for insulation (pae) 20
°C
Electrical data
Rated power frequency withstand voltage
Rated lighting impulse withstand voltage
Voltage apply to an absolute insulating gas
pressure at 20
°C
Rated frequency
Rated current
Rated short-circuit breaking current
Rated short-circuit duration
Rated operating sequence
kV
kV
kPa
kPa
kV
kV
kPa
Hz
A
kA
s
12
12
IEC/GB
•
•
SF
6
2)
120
130
28
5)
/42
6)
75
5)
/75
6)
120
50/60
17.5
17.5
IEC
•
SF
6
2)
120
130
38
5)
95
5)
120
50/60
24
24
IEC/GB
•
•
SF
6
2)
120
130
50
5)
/65
6)
125
5)
/125
6)
120
50/60
36
36
IEC
•
•
SF
6
2)
120
130
70
5)
170
5)
120
50/60
40.5
40.5
IEC/GB
•
•
SF
6
2)
/AirPlus
3)
120
130
85
5)
/95
6)
185
5)
/185
6)
120
50/60
ZX0.2
ZX1.2
ZX2
630
7)
/1250/1600/2000/2500
25/31.5/40
8)
3
5)
/4
6)
O-0.3 s-CO-3 min-CO
Breaker
type
VD4X
…1
2
1
2
-
31
…1
22
5-
31
…1
7
1
2
-
31
…
2
41
2-3
1
…
2
4
2
5-
3
1
…
36
1
2-3
1
…
362
5-
3
1
…
362
5-40
…401
2-3
1
…40
2
5-
3
1
…40
2
5-40
Rated
Voltage
kV
12
12
17.5
24
24
36
36
36
40.5
40.5
40.5
Rated
current
A
…1
2
50
1600…2
500
…1
2
50
…1
2
50
1600…2
500
…1
2
50
…
2
500
1250…2
500
…1
2
50
…
2
500
…
2
500
Rated
short-circuit
breaking
current symm.
8)
kA
…
31.5
…
31.5
…
31.5
…
3
1.5
…
3
1.5
…
3
1.5
…
3
1.5
…40
…
3
1.5
…
3
1.5
…40
Rated
short-circuit
making current
(peak)
8)
kA
…
80
…
80
…
80
…
8
0
…
8
0
…
8
0
…
8
0
…100
…
8
0
…
8
0
…100
Rated
short-circuit
duration
s
4
4
4
4
4
4
4
4
4
4
4
Panel
width
mm
6
00
8
00
6
00
6
00
8
00
6
00
8
00
8
00
6
00
8
00
8
00
Pole
centres
mm
150
2
10
150
150
2
10
150
2
10
2
10
150
2
10
2
10
Permissible of
vacuum-interrupter
switching
operations
Figure 2/2 Page 9
Diagram A&B
Diagram A&B
Diagram A&B
Diagram A&B
Diagram A&B
Diagram A&B
Diagram A&B
Diagram C&D
Diagram A&B
Diagram A&B
Diagram C&D
1) See instruction manual in ZX-Switchgear for further details.
2) Insulaitng gas: sulphur hexafluoride.
3) Only availiable in switchgear type ZX2.
5) Comply with IEC standards.
6) Comply with GB standards.
7) Only availiable in switchgear type ZX0.2 & ZX1.2.
8) Only availiable in 40.5kV with switchgear type ZX2.
8) For operating voltage lower than rated voltage, the same values as for rated voltage always apply. Higher values on request.
Summary of Contents for VD4X
Page 1: ... VD4X Vacuum circuit breaker INSTRUCTION MANUAL VD4X Vacuum circuit breaker ...
Page 2: ......
Page 29: ... Remarks ...
Page 31: ......