3. Technical characteristics
3.1. Electrical data
SafeRing
Rated voltage
Withstand voltage
at industrial frequency
Impulse withstand voltage
Rated current
Breaking capacities:
- under load
- rated ring
- no-load cables
- no-load transformer
- earth fault
- cables with earth fault
- on short-circuit
Making capacity
Short-time withstand current 1s
Short-time withstand current 3s
SafePlus
Rated voltage
Withstand voltage
at industrial frequency
Impulse withstand voltage
Rated current
Breaking capacities:
- under load
- rated ring
- no-load cables
- no-load transformer
- earth fault
- cables with earth fault
- on short-circuit
Making capacity
Short-time withstand current 1s
Short-time withstand current 3s
1) 38 kV on request
2) According to the rated current of the fuse
3) Limited by the fuses
The SafeRing RMU/SafePlus CSG system undergoes tests according to the IEC 60056, IEC 60129, IEC 60265, IEC 60298, IEC 60420 and IEC
60694 Standards.
C Module
Switch-
Switch-
disconnector
disconnector
kV
12/17.5/24
12/17.5/24
(1)
(1)
kV
28
/38/50
28
kV
95/95/125
95/95/125
A
630/630/630
A
630/630/630
A
630/630/630
A
135/135/135
A
A
200/150/150
A
115/87/87
kA
kA
52.5/40/40
52.5/40/40
kA
kA
21/16/16
21/16/16
C Module
Switch-
Switch-
disconnector
disconnector
(1)
(1)
kV
12
/17.5/24
12
kV
281/38/50
281/38/50
kV
95/95/125
95/95/125
A
630/630/630
A
630/630/630
A
630/630/630
A
135/135/135
A
A
200/150/150
A
115/87/87
kA
kA
62.5/52.5/52.5
62.5/52.5/52.5
kA
25/-/-
25/-/-
kA
21/21/21
21/21/21
F Module
Switch-
disconnector
with fuses
12/17.5/24
(1)
/38/50
28
/38/50
95/95/125
(2)
20/20/20
(3)
(3)
F Module
Switch-
disconnector
with fuses
(1)
/17.5/24
12
/17.5/24
281/38/50
95/95/125
(2)
20/20/20
(3)
(3)
Earthing
Vacuum
switch
circuit-breaker
on load side
12/17.5/24
12/17.5/24
(1)
(1)
28
/38/50
28
/38/50
95/95/125
95/95/125
200/200/200
21/16/16
12.5/12.5/12.5
52.5/40/40
05/05/05
21/16/16
Earthing
Vacuum
switch
circuit-breaker
on load side
(1)
(1)
12
/17.5/24
12
/17.5/24
281/38/50
281/38/50
95/95/125
95/95/125
630/630/630
21/16/16
12.5/12.5/12.5
52.5/40/40
05/05/05
21/16/16
V Module
Earthing
switch
12/17.5/24
(1)
28
/38/50
95/95/125
52.5/40/40
21/16/16
V Module
Earthing
switch
(1)
12
/17.5/24
281/38/50
95/95/125
52.5/40/40
21/16/16
9