16
A RCLI M ITE R
TM
A R C FL A SH M I T I G AT I O N S O LU T I O N FO R LV US I N G U FE S
—
Available UFES ratings
—
UFES primary switching element type U1
Electrical maximum characteristics for each voltage category (different types available)
Rated voltage (ms)*
kV
1.4
17..5
27
36
Rated power frequency withstand voltage (rms)
kV
5
42
60
70
Rated lightning impulse withstand voltage (peak)
kV
12
95
150
170
Rated frequency
Hz
50/60
50/60
50/60
50/60
Rated short-time withstand current
kA
100
50
63
40
40
Rated peak withstand current
kA
220
130
165
104
104
Rated duration of short-circuit
s
0.5
3
2
3
3
Rated short-curcuit making current
kA
220
130
165
104
104
Mechanical properties
Dimension (diameter x height)
mm (in)
~137 x 210 (~5.4" x 8.3")
Closing time
ms
< 1.5
Contact bounce time
ms
0
Service life expectation
Number of closing operations
1
Mechanical
years
up to 30
Micro gas generator
years
up to 15
* 40.5 kV on request