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TF412B Vacuum Interrupter for Load Breaking Switch
Classification:
Model: TF412B
Parameter: 24KV 630A 12.5KA
External insulating protection medium
Details Introduction
|
No. |
Technical Data |
Unit |
Parameter Value |
|
1 |
Rated voltage |
kV |
24 |
|
2 |
Rated current |
A |
630 |
|
3 |
Rated frequency |
Hz |
50/60 |
|
4 |
Rated short-time power frequency withstand voltage (1min) |
kV |
65 |
|
5 |
Rated lighting impulse withstand voltage (peak) |
kV |
125 |
|
6 |
Rated short-circuit breaking current |
kA |
12.5 |
|
7 |
Contact closing force due to bellows and atmosphere |
N |
70±40 |
|
8 |
Counterforce at rated contact stroke |
N |
120±50 |
|
9 |
Circuit resistance at rated contact force |
µΩ |
≤30 |
|
10 |
Rated added external contact final force |
N |
800±100 |
|
No. |
Dimension Data |
Unit |
Value |
||
|
1 |
Diameter |
mm |
¢70±1.0 |
||
|
2 |
Install height |
mm |
180±1.5 |
||
|
3 |
External insulating protection medium |
-- |
SF6,Insulating Oil,Silicon etc. |
||
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Vacuum Interrupter for Load Breaking Switch
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