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Product name： | CKJ7 High current series vacuum contactor | |||||
| specification： |   Zoom in on the image |
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| Category： | low-voltage electrical apparatus -- Low voltage vacuum contactor | ||||||
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Price： | factory price | |||||
| Brand： | Shanghai | ||||||
| Place of Origin： | China | ||||||
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Available Quantity： | batch | |||||
| delivery cycle： | Spot goods (or inquire by telephone) | ||||||
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CKJ7 high current series vacuum contactor:
|
name |
unit |
parameter | ||
|
main
electricity
road |
Rated working voltage (Ue) |
kV |
1.14,2 | |
|
Rated working current (Ie) |
A |
1600，2000，2500 | ||
|
Rated heating current (Ith) |
A |
1600，2000，2500 | ||
|
Rated connection capacity (I) |
A |
1.5Ie | ||
|
Rated breaking capacity (Ic) |
A |
1.5Ie | ||
|
rated frequency |
Hz |
50/60 | ||
|
control
manufacture
electricity
road |
Rated voltage (Us) 1 |
V |
AC.or DC.110/220/380 | |
|
Rated power (Ps) |
Electricity maintenance |
VA |
≯ 1000/100 (suction/hold) | |
|
Mechanical Maintenance |
≯ 900/600 (closing/opening) | |||
|
auxiliary circuit |
form |
3a＋3b | ||
|
rated value |
380V/AC.5A or DC.1A | |||
|
Rated operating frequency |
Long term or mechanical maintenance type |
Times/h |
three hundred | |
|
short-term |
six hundred | |||
|
Mechanical lifespan 2 |
ten thousand times |
one hundred | ||
|
Electrical lifespan |
ten thousand times |
50(AC-1) | ||
|
Note 1: The rated control voltage can also be customized according to user needs;
2: For mechanical retention types, the locking mechanism needs to be replaced every 100000 times | ||||
|
Technical Requirements |
unit |
parameter | ||
|
power frequency
tolerance
voltage |
main circuit |
Interphase and relative ground |
kV |
four point two |
|
vacuum interrupter gap |
kV |
ten | ||
|
Secondary circuit to ground |
kV |
2 (excluding semiconductors and resistive capacitive components) | ||
|
mechanical
feature |
closing time |
ms |
≤200 | |
|
Inherent opening time |
ms |
≤ 160 (electric hold) | ||
|
≤ 60 (mechanical hold) | ||||
|
Three phases in different periods |
ms |
≤3 | ||
|
Closing bounce |
ms |
≤10 | ||
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