| Product name: | TD-12/1600-31.5 Ceramic vacuum arc extinguishing chamber | ||||||
| specification: | ![]() |
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| Category: | spare parts and accessories -- Ceramic arc extinguishing chamber | ||||||
| Price: | factory price | ||||||
| Brand: | Shanghai | ||||||
| Place of Origin: | China | ||||||
| Available Quantity: | batch | ||||||
| delivery cycle: | Spot goods (or inquire by telephone) | ||||||
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Parameter name |
Unit Unit |
Numerical Value |
|
Rated voltage |
kV |
twelve |
|
Rated normal current |
A |
one thousand and six hundred |
|
Rated short-circuit breaking current |
kA |
thirty-one point five |
|
Rated short circuit making current |
kA |
eighty |
|
Rated peak withstand current |
kA |
eighty |
|
Rated short-time withstand current |
kA |
thirty-one point five |
|
Rated duration of short circuit |
S |
four |
|
Rated breaking current of a single capacitor bank |
A |
six hundred and thirty |
|
Rated back-to-back capacitor bank breaking current |
A |
four hundred |
|
Rated short-time (1min) power frequency withstand voltage |
kV |
forty-two |
|
Circuit resistance under rated contact pressure |
μΩ |
≤30 |
|
Rated short-circuit breaking current breaking times |
time Time |
thirty |
|
Rated lightning impulse withstand voltage |
kV |
seventy-five |
|
mechanical life |
Next Time |
ten thousand |
|
Closing force due to bellows and atmosphere |
N |
120±50 |
|
Contact reaction force at rated opening distance |
N |
200±50 |
|
Contact wear allowance thickness |
mm |
three |
|
Internal gas pressure |
Pa |
≤1.33×10ˉthree |
|
Allow storage period |
Year of Year |
twenty |
|
Project |
Unit Unit |
Numerical Value |
|
Contact stroke distance |
mm |
11±1 |
|
Contact travel |
mm |
3±one0 |
|
Average closing speed |
m/s |
0.6±0.2 |
|
Average opening speed |
m/s |
1.1±0.2 |
|
Rated contact pressure |
N |
3100±200 |
|
Contact closing bounce time |
ms |
≤2 |
|
Out of simultaneity of contact closing and opening |
ms |
≤2 |
|
Bouncing back amplitude of opening contact |
mm |
≤2 |

Ceramic vacuum arc extinguishing chamber for TD-12/1600-31.5 circuit breaker