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16
8. Circuit-breaker characteristics
8.1. General characteristics of fixed circuit-breakers
Fig. 11a
Circuit-breaker
Standards
Rated voltage
Rated insulation voltage
Withstand voltage at 50 Hz
Impulse withstand voltage
Rated frequency
Rated normal current (40 °C)
Rated breaking capacity
(rated symmetrical short-circuit current)
Rated short-time withstand current (3 s)
Making capacity
Operation sequence
Opening time
Arcing time
Total interruption time
Closing time
Mechanical operations (cycles)
Electrical operations (cycles)
Maximum overall dimensions
Pole centre distance
Bottom/top terminal distance
Weight
Consumption on stand-by
Consumption after a self-closing cycle
Standardised table of dimensions
Operating temperature
Electromagnetic compatibility
IEC 60694 - 62271-100
CEI 17-1 (File 1375)
Ur [kV]
Us [kV]
Ud (1 min) [kV]
Up [kV]
fr [Hz]
(1) Ir [A]
Isc [kA]
Ik [kA]
Ip [kA]
[O-0,3s-CO-15s-CO]
Actuator
Interrupters
At rated current
Under short-circuit [No.]
H [mm]
I
I
W [mm]
A
H
D [mm]
W
D
A [mm]
IEC 61000
IEC 60255
eVM1 12
eVM1 17
12
17
12
17
28
38
75
95
50-60
50-60
630
1250
630
16
16
16
20
20
20
25
25
25
31,5
31,5
31,5
16
16
16
20
20
20
25
25
25
31,5
31,5
31,5
40
40
40
50
50
50
63
63
63
80
80
80
33
33
[ms]
[ms]
10...15
10...15
[ms]
43...48
43...48
[ms]
50
50
... 100.000
... 100.000
[No.]
... 30.000
... 30.000
[No.]
[No.]
... 30.000
... 30.000
... 100
... 100
461
461
461
461
450
570
700
450
464
464
464
464
I [mm]
150
210
275
150
205
205
205
205
[kg]
106 ... 117
106 ... 117
[W]
< 15
< 15
< 110
< 110
[W]
[°C]
– 5 ... + 40
– 5 ... + 40
1250
16
20
25
31,5
16
20
25
31,5
40
50
63
80
461
461
570
700
464
464
210
275
205
205
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