Technical Data; Electrical Data - ABB Uniswitch Operation And Maintenance Manual

2 Technical data

2.1 Electrical data

Table 2.1 Electrical data
Rated voltage U
r
Rated lightning impulse withstand voltage U
Common value
Across the isolating distance
Rated power-frequency withstand voltage U
Common value
Across the isolating distance
Rated frequency
Rated current I
r
Busbar
Feeder
Rated short-time withstand current
Main circuit
Earthing circuit
Rated duration of short circuit
Rated peak withstand current
Degree of protection (IP-code)
For the enclosure
For the partitions
Mechanical endurance of switch-disconnector
Closed/Open
Open/Earthed
SF6-gas in switch-disconnector
Rated filling pressure
Minimum operating pressure
1
Higher values are possible if required by other national standards.
2
The short-circuit withstand capacity of the instrument transformers must be taken into account
separately.
ABB
Uniswitc h Operation and
Maintenanc e Manual
kV
kV
p
kV
d
Hz
A
2
kA
s
kA
Times
Bar
12 17.5
75 95
85 110
1 1
28 38
1 1
32 45
50/60 50/60
630/1250 630/1250
630/1250 630/1250
25 20
25 20
2 3
62,5 50
IP 2XC IP 2XC
IP 2X IP 2X
1000 1000
1000 1000
1,4 1,4
1,3 1,3
24
125
145
50
60
50/60
630/1250
630/1250
20
20
3
50
IP 2XC
IP 2X
1000
1000
1,4
1,3
5
UNI S14GB 05-02