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Outdoor Automatic High Voltage Isolation Switch is a three-phase AC 50Hz /60Hz outdoor medium-voltage switch, which can open and close the power line and can see the obvious disconnect distance. Application voltage levels include 12kV, 24kV and 36kV.
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Equipped with an independent operating mechanism, the ground knife is arranged externally to ensure the reliable insulation distance of the ground knife to the other live end during closing.
The electrical terminal is in transition through soft connection, and the conductive contact is reliable.
Excellent material selection. It is composed by a metal base, pillar isolation, conductive part and mechanism part with simple structure, less maintenance, high fracture insulation level and already reached the level of similar products at at home and abroad.
With the addition of two motors with remote transmission function, this disconnector has the function of automation.
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|
Item |
Unit |
Data |
||
|
Rated voltage |
KV |
12 |
24 |
36 |
|
Rated frequency |
Hz |
50/60 |
||
|
Rated current |
A |
400/300 |
||
|
Rated short-circuit withstand/breaking current |
KA |
12.5 |
||
|
Rated short-circuit making current (peak) |
KA |
31.5 |
||
|
Rated peak withstand current |
KA |
31.5 |
||
|
Rated short-circuit time |
Sec |
1 |
||
|
Mechanical Operations |
Times |
5000 |
||
|
Power frequency withstand voltage (1 min) |
KV |
28/32 |
50/60 |
70/80 |
|
Lightning impulse withstand voltage (peak) |
KV |
76/85 |
125/145 |
170/190 |
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