22
VM1
- USER MANUAL
—
8. Circuit breaker characteristics
Circuit breaker
VM1 12 (
1
)
VM1 17 (
1
)
VM1 24
Standards
IEC 62271-100 •
•
•
CEI 17-1 (File 1375) •
•
•
Rated voltage
Ur [kV]
12
17.5
24
Rated insulation voltage
Us [kV]
12
17.5
24
Withstand voltage at 50 Hz
Ud (1 min) [kV] 28
38
50
Impulse withstand voltage
Up [kV]
75
95
125
Rated frequency
fr [Hz]
50-60
50-60
50-60
Rated normal current (40 °C)
Ir [A]
630
630
1250
1250
1600
1600
2000
2000
2500
630
630
1250
1250
1600
1600
2000
2000
2500
630
630
1250
1250
1600
2000
2500
Rated breaking capacity
(rated symmetrical
short-circuit current)
Isc [kA]
16
16
16
16
–
–
–
–
–
16
16
16
16
–
–
–
–
–
16
16
16
16
16
16
–
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
–
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
–
–
–
–
–
–
–
Rated short-time
withstand
current (3 s)
Ik [kA]
16
16
16
16
–
–
–
–
–
16
16
16
16
–
–
–
–
–
16
16
16
16
16
16
–
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
–
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
–
–
–
–
–
–
–
Making capacity
Ip [kA]
40
40
40
40
–
–
–
–
–
40
40
40
40
–
–
–
–
–
40
40
40
40
40
40
–
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
–
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
–
–
–
–
–
–
–
Operation sequence
[O-0.3s-CO-3min-CO] •
•
•
Opening time
[ms]
35...45
35...45
35...45
Arcing time
[ms]
10...15
10...15
10...15
Total interruption time
[ms]
45...60
45...60
45...60
Closing time
[ms]
50...60
50...60
50...60
Mechanical operations (cycles)
Actuator
... 100.000
... 100.000
... 100.000
Interrupters
... 30.000
... 30.000
... 30.000
Electrical operations
(cycles)
Rated current
... 30.000
... 30.000
... 30.000
Under short-circuit
... 100
... 100
... 100
Maximum overall
dimensions
H [mm]
475
475
475
475
599
599
599
599
616
475
475
475
475
599
599
599
599
616
631
631
631
631
642
642
661
W [mm]
450
570
450
570
570
700
570
700
700
450
570
450
570
570
700
570
700
700
570
700
570
700
700
700
700
D [mm]
424
424
424
424
424
424
424
424
424
424
424
424
424
424
424
424
424
424
424
424
424
424
424
424
424
Pole centre distance
P [mm]
150
210
150
210
210
275
210
275
275
150
210
150
210
210
275
210
275
275
210
275
210
275
275
275
275
Weight
<
25 kA [kg] 94
98
94
98
130
135
130
135
135
94
98
94
98
130
135
130
135
135
108
115
108
115
137
137
137
31.5 kA [kg] 101
105
101
105
130
135
130
135
135
101
105
101
105
130
135
130
135
135
–
–
–
–
–
–
–
Standardised table of dimensions
1VCD 00001
00002
00001
00002
00003
00004
00003
00004
00004
00001
00002
00001
00002
00003
00004
00003
00004
00004 00005
00006
00005
00006
00007
00007
00007
Operating temperature
[°C]
– 25 ... + 40
– 25 ... + 40
– 25 ... + 40
Tropicalisation
IEC: 60068-2-30 •
•
•
721-2-1 •
•
•
Electromagnetic compatibility
IEC 60694 •
•
•
(
1
) The circuit breakers up to 17.5 kV - 1250 A – 31.5 kA, are made with polyamide poles.
8.1. General characteristics of fixed
circuit breakers (12 – 17.5 - 24 kV)
D
H
W
P P
Summary of Contents for VM1
Page 59: ...MEDIUM VOLTAGE PRODUCTS 59 59 ...