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Help CenterZN23-40.5kV Vacuum Circuit Breaker With Drawable Type Breaker High Voltage VCB
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ZN23-40.5 vacuum circuit breakers for the high life rated 40.5kA, three-phase AC 50Hz indoor high-voltage electrical equipment. Apply to industrial and mining enterprises, substation and transmission and distribution systems for control and protection switching; particularly suitable for metallurgy, electric arc steel-making industries, etc. frequent operation required, as a control and protection equipment.
This product meets the GB1984-89 "AC High Voltage Circuit Breaker"standard. Circuit breaker directly into the GBC-35, JYN1-35 cabinet, remove the plug can be installed separately.
Mainly technical parameters
|
Item |
Units |
Value |
|
No | ||||
1 |
Rated voltage |
KV |
40.5 |
|
2 |
Lightning impulse withstand voltage (peak) |
A |
185 |
|
3 |
1min power frequency withstand voltage |
KA |
95 |
|
4 |
Rated Frequency |
KA |
50 |
|
5 |
Rated current |
KA |
1250.1600.2000 |
|
6 |
Rated short-circuit making current |
KA |
25 |
31.5 |
7 |
Rated short-circuit withstand current |
Times |
25 |
31.5 |
8 |
Rated peak withstand current |
|
63 |
80 |
9 |
Rated short-circuit continued time |
Kv |
4 |
|
10 |
Rated short-circuit making time |
Kv |
≤90 |
|
11 |
Rated short-circuit ON-OFF current |
Ms |
80 |
|
12 |
Rated operating sequence |
Ms |
O-0.3s-CO-180s-CO |
|
13 |
Closing Time |
Times |
50~85 |
|
14 |
Opening Time |
Times |
40~85 |
|
15 |
Rated current making current breaking times |
W |
20 |
|
16 |
Mechanical life time |
V |
10000 |
|
17 |
Rated capacitor making current |
S |
630 |
|
18 |
Energy storage motor rated power |
V |
275 |
|
19 |
Energy storage motor rated voltage |
V |
25±2 |
|
20 |
Storage time |
V |
≤15 |
|
21 |
Closing and opening solenoid rated voltage |
V |
≈220.110 |
|
22 |
Loss of pressure tripping device rated voltage |
A |
≈220.100 |
|
23 |
Over current tripping device rated current |
A |
5 |
|
24 |
auxiliary switch rated voltage current |
|
DC10 |
|
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