E-mail: sales@orientinsulators.com
Tel +86 371 86097078
Tel +86 371 86097078
ZN63 Side-mounted VCB, also called ZN63 (VS1)-12 side-mounted type vacuum circuit breaker, is a kind of indoor high voltage switch device and suitable to the place requiring frequent operations.
ZN63 Side-mounted VCB Description:
ZN63(VS1)-12 side-mounted type vacuum circuit breaker is a kind of indoor high voltage switch device which is used in the AC three-phase power system of frequency 50HZ, rated voltage10-12KV to be the protection and control unit. It is especially suitable to the place requiring frequent operations.
ZN63 Side-mounted VCB Technical data:
|
NO
|
item
|
unit
|
Data
|
||
|
1
|
rated voltage
|
KV
|
12
|
||
|
2
|
rated current
|
A
|
630,1250
1600,2500
|
||
|
3
|
rated short-circuit breaking current
|
KA
|
20/25
|
31.5
|
|
|
4
|
Rated short-circuit closing current (peak)
|
KA
|
63
|
80
|
|
|
5
|
opening times of rated short-circuit breaking current
|
times
|
50
|
||
|
6
|
rated operating sequence
|
|
O-0.3s-CO-180s-CO
|
||
|
7
|
rated insulation level
|
1min power frequency voltage
|
kV
|
75
|
|
|
lightning impulse withstand voltage (peak)
|
42
|
||||
|
8
|
rated thermal stability current(virtual value)
|
KA
|
20/25
|
80
|
|
|
9
|
rated dynamic current(peak)
|
KA
|
60
|
80
|
|
|
10
|
secondary circuit power frequency withstand voltage(1min)
|
V
|
2000
|
||
|
11
|
rated thermal stability time
|
S
|
4
|
||
|
12
|
Single or back-to-back capacitor group opening current
|
A
|
630/400
|
||
|
13
|
mechanism life
|
times
|
10000
|
||
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