| Product name: | CKJ3 series vacuum contactor | ||||||
| specification: | CKJ3-800 1000 1250D/1140V | ![]() |
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| Category: | low-voltage electrical apparatus -- Low voltage vacuum contactor | ||||||
| Price: | factory price | ||||||
| Brand: | Shanghai | ||||||
| Place of Origin: | China | ||||||
| Available Quantity: | batch | ||||||
| delivery cycle: | Spot goods (or inquire by telephone) | ||||||
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|
name |
unit |
parameter | ||
|
main
electricity
road |
Rated working voltage (Ue) |
kV |
1.14(2 kV) | |
|
Rated working current (Ie) |
A |
800,1000,1250 | ||
|
Rated heating current (Ith) |
A |
800,1000,1250 | ||
|
Rated connection capacity (I) |
A |
4Ie | ||
|
Rated breaking capacity (Ic) |
A |
4Ie | ||
|
rated frequency |
HZ |
50/60 | ||
|
control
manufacture
electricity
road |
Rated voltage (Us) 1 |
V |
AC.220/380,DC.110/220 | |
|
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 |
25(AC-2) | ||
|
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 300000 times | ||||
|
Technical Requirements |
unit |
parameter | ||
|
power frequency
tolerance
voltage |
main circuit |
Interphase and relative ground |
kV |
four point two |
|
vacuum interrupter gap |
kV |
ten | ||
|
Control circuit to ground |
kV |
2 (excluding semiconductors and resistive capacitive components) | ||
|
Auxiliary circuit to ground |
kV |
two | ||
|
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 | ||