M ED I U M VO LTAG E P R O D U C T S
27
27
Circuit breaker
VM1/P 12 (
3
)
VM1/P 17 (
3
)
VM1/P 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) (
1
)
Ir [A]
630
1250
1600
1600
2000
2000
2500
630
1250
1600
1600
2000
2000
2500
630
630
1250
1250
1600
2000
2500 (
2
)
Rated breaking capacity
(rated symmetrical
short-circuit current)
Isc [kA]
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
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
–
–
–
–
–
–
–
Rated short-time withstand
current (3 s)
Ik [kA]
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
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
–
–
–
–
–
–
–
Making capacity
Ip [kA]
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
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
–
–
–
–
–
–
–
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]
628
628
690
690
690
690
834
628
628
690
690
690
690
834
790
790
790
790
834
834
834
W [mm]
503
503
653
853
653
853
853
503
503
653
853
653
853
853
653
853
653
853
853
853
853
D [mm]
662
662
642
642
642
642
790
662
662
642
642
642
642
790
802
802
802
802
790
790
790
Pole centre distance
p [mm]
150
150
210
275
210
275
275
150
150
210
275
210
275
275
210
275
210
275
275
275
275
Weight
<
25 kA [kg] 137
137
192
196
192
196
255
137
137
192
196
192
196
255
148
152
148
152
255
255
255
31.5 kA [kg] 144
144
192
196
192
196
255
144
144
192
196
192
196
255
–
–
–
–
–
–
–
Standardised table of dimensions
1VCD 00008
00008
00009
00010
00009
00010
00014
00008
00008
00009
00010
00009
00010
00014
00012
00013
00012
00013
00014
00014
00014
Operating temperature
[°C]
– 25 ... + 40
– 25 ... + 40
– 25 ... + 40
Tropicalisation
IEC: 60068-2-30 •
•
•
721-2-1 •
•
•
Electromagnetic compatibility
IEC 60694 •
•
•
(
1
) Rated normal currents guaranteed with withdrawable circuit breaker installed in UniGear ZS1 switchgear with air temperature of 40 °C.
(
2
) The rated normal current of 2300 A is guaranteed with natural ventilation. The rated uninterrupted current of 2500 A is guaranteed with forced ventilation.
(
3
) The circuit breakers up to 17.5 kV - 1250 A – 31.5 kA, are made with polyamide poles.
Содержание VM1
Страница 59: ...MEDIUM VOLTAGE PRODUCTS 59 59 ...