Suitable for Three-Phase Distribution Network System of Ac 50hz, 12kv
Remembering The Number of Faults in Accordance with The Set Operation Sequence, Automatic Isolation of Fault Sections, Small Current Grounding Protection Function, Ultra-Wide Temperature Application Range, Good Man-Machine Interface and Other Important Functions
Used for Three-Phase Distribution Network Systems with A Voltage of 10-12 Kv At 50 Hz
With Self-Contained Control and Protection Functions That Can Automatically Perform Opening and Reclosing Operations in Ac Lines in Accordance with A Predetermined Opening and Reclosing Sequence, and Automatically Reset or Block Afterwards
Quickly Segment and Isolate Faults, Reducing The Scope of Power Outages to A Minimum, and is Ideal for The Transformation of Urban and Rural Networks
ZW32-12F series intelligent vacuum circuit breaker is suitable for three-phase distribution network system of AC 50Hz, 12kV. The sectionalizer is capable of remembering the number of faults in accordance with the set operation sequence, automatic isolation of fault sections, small current grounding protection function, ultra-wide temperature application range, good man-machine interface and other important functions.
ZW32-12F series outdoor high-voltage vacuum automatic recloser is used for three-phase distribution network systems with a voltage of 10-12 kV at 50 Hz. The recloser is a high-voltage switchgear with self-contained control and protection functions that can automatically perform opening and reclosing operations in AC lines in accordance with a predetermined opening and reclosing sequence, and automatically reset or block afterwards. This system can quickly segment and isolate faults, reducing the scope of power outages to a minimum, and is ideal for the transformation of urban and rural networks.
|
No. |
Item |
Unit |
parameter |
|
1 |
Rated voltage |
KV |
12 |
|
2 |
Rated current |
A |
25 |
|
3 |
Rated short-circuit breaking current |
KA |
25 |
|
4 |
Rated operating sequence |
|
O-0.3s -CO-180s -CO |
|
5 |
Rated number of short-circuit openings |
Time |
30 |
|
6 |
Rated short-circuit closing current (peak) |
KA |
50/63 |
|
7 |
Rated peak withstand current |
KA |
50/63 |
|
8 |
Rated short-time withstand current |
KA |
25 |
|
9 |
Rated short-circuit duration |
S |
＜10 |
|
10 |
Overcurrent regulation |
A |
2～10 |
|
11 |
Delay time |
ms |
40～850 |
|
12 |
Fast break current |
A |
18 |
|
13 |
Remote control distance |
m |
30 |
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