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Help CenterZN85-40.5 Indoor High Voltage Vacuum Switch 33kv Vacuum Switch 35kv High Voltage Breaker
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ZN85-40.5 / T (3AV3)-type indoor high voltage vacuum circuit breakers for three-phase AC 50Hz, 40.5KV power system, for industrial and mining enterprises, power plants and substations as the division and load current, overload current fault current purposes, and occasions for frequent operation.
Mainly technical parameters
No |
Item |
Unit |
Technical parameters |
||||
1 |
Rated voltage |
KV |
40.5 |
||||
2 |
Rated current |
A |
1250 |
1600 |
2000,2500 |
||
3 |
Rated short-circuit breaking current |
KA |
25 |
31.5 |
25 |
31.5 |
|
4 |
Dynamic current (peak) |
KA |
63 |
80 |
63 |
80 |
|
5 |
4S thermal current |
KA |
25 |
31.5 |
25 |
31.5 |
|
6 |
Rated short circuit making current (peak) |
KA |
63 |
80 |
63 |
80 |
|
7 |
Rated short-circuit current breaking times |
Time |
20 |
||||
8 |
Rated operating sequence |
|
0-03s-Co-180s-Co |
||||
9 |
Rated insulation level |
1min power frequency withstand voltage |
KV |
95 |
|||
Lightning impulse withstand voltage (peak) |
185 |
||||||
10 |
Mechanical life |
Time |
10000 |
||||
11 |
Rated single capacitor device ON-OFF current |
A |
630 |
||||
12 |
Rated single back-to-back capacitor device current |
A |
400 |
||||
13 |
Rated voltage electrical energy storage |
V |
AC,DC 110 220 |
||||
14 |
Energy Storage Power Rating |
W |
≤230 |
||||
15 |
Electrical Energy Storage Energy Storage time |
S |
≤15 |
||||
16 |
Hop Tripping coil rated voltage |
V |
DC 110 20 |
||||
17 |
Hop Tripping coil rated current |
A |
1.05(110V) 0.96(220V) |
||||
18 |
Contactor opening distance |
MM |
20±2 |
||||
19 |
Contactor Contact trip |
MM |
7.5±1.5 |
||||
20 |
At the different period of three consistency |
MS |
≤2 |
||||
21 |
Contact closing bounce time |
MS |
≤3 |
||||
22 |
Leading electrical circuit resistance( excluding contactor arm) |
≤40 |
|||||
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