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500-8384.9 • Version 11 • Installation and Operating Instructions • 8DJH
4 Technical data
4.1 General technical data
Rated voltage U
r
kV
7.2
12
15
17.5
24
Rated insulation level
Rated short-duration power-frequency withstand voltage U
d
- phase-to-phase, phase-to-earth, open contact
gap
kV
20
28/42
1)
36
38
50
- across the isolating distance
kV
23
32/48
1)
39
45
60
Rated lightning impulse withstand voltage U
p
- phase-to-phase, phase-to-earth, open contact
gap
kV
60
75
95
95
125
- across the isolating distance
kV
70
85
110
110
145
Rated frequency f
r
Hz
50/60
Rated normal current I
r
2)
Busbar
A
630
Ring-main feeder
A
400 or 630
Circuit-breaker feeder
A
250 or 630
Transformer feeder
A
200
3)
50 Hz Rated short-time withstand cur-
rent I
k
Switchgear with t
k
= 1 s
up to kA
25
20/21
1)
Switchgear with t
k
= 3 s (design option)
up to kA
20/21
1)
Rated peak withstand current I
p
up to kA
63
50/52.5
1)
Rated short-circuit making cur-
rent I
ma
Ring-main feeder
up to kA
63
Circuit-breaker feeder
up to kA
63
Transformer feeder
up to kA
63
60 Hz Rated short-time withstand cur-
rent I
k
Switchgear with t
k
= 1 s
up to kA
25
20/21
1)
Switchgear with t
k
= 3 s
1)
up to kA
20/21
1)
Rated peak withstand current I
p
up to kA
65
52/55
1)
Rated short-circuit making cur-
rent I
ma
Ring-main feeder
up to kA
65
52/55
1)
Circuit-breaker feeder
up to kA
65
52/55
1)
Transformer feeder
up to kA
65
52/55
1)
Filling level (pressure values at 20 °C)
Rated filling level p
re
(absolute)
kPa
150
Minimum functional level p
re
(absolute)
kPa
130
Ambient air temperature T
Operation without secondary equipment
°C
-25/-40
1)
to +55/+70
1)
Operation with secondary equipment
4)
°C
-25/-40
1)
to +55/+70
1)
Storage and transport including secondary
equipment
4)
°C
-25 to +70
°C
-40 to +70 (option)
Degree of protection
Gas-filled switchgear vessel
IP 65
Switchgear enclosure
IP2X / IP3X
1)
Low-voltage compartment
IP3X / IP4X
1)
1)
Design option
2)
The rated normal currents apply to ambient air temperatures of max. 40 °C. The 24-hour mean value is max. 35 °C (according to IEC/
EN 62271-1/VDE 0671-1)
3)
Depending on HV HRC fuse-link
4)
Depending on the secondary equipment used
Содержание 8DJH
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