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Product name： | JCZ7-12D series vacuum contactor | |||||
| specification： |   Zoom in on the image |
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| Category： | High voltage electrical appliances -- Vacuum Contactor Switch | ||||||
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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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name |
unit |
parameter | ||
|
main
electricity
road |
Rated working voltage (Ue) |
kV |
twelve | |
|
Rated working current (Ie) |
A |
250，400，630 | ||
|
Rated heating current (Ith) |
A |
250，400，630 | ||
|
rated frequency |
HZ |
50-60 | ||
|
Rated connection capacity (I) |
A |
10Ie | ||
|
Rated breaking capacity (Ic) |
A |
8Ie | ||
|
Ultimate breaking ability |
A |
10Ie | ||
|
Rated short-time withstand current and duration |
A/s |
10Ie/4 | ||
|
Rated peak withstand current (1/2 cycle) |
A |
25Ie | ||
|
control
manufacture
electricity
road |
Rated voltage (Us) 1 |
V |
AC.or DC.110/220 | |
|
Rated power (Ps) |
Electricity maintenance |
VA |
≯ 1000/100 (suction/hold) | |
|
auxiliary circuit |
form |
3a＋3b | ||
|
rated value |
380V/AC.10A or DC.2A | |||
|
Rated operating frequency |
long-term |
Times/h |
three hundred | |
|
short-term |
six hundred | |||
|
mechanical life |
ten thousand times |
one hundred | ||
|
electrical life |
ten thousand times |
20(AC-3) | ||
|
Note: The rated control voltage can also be customized according to user needs. | ||||
Technical requirements
|
Technical requirements |
unit |
parameter | ||
|
power frequency
tolerance
voltage |
main circuit |
Interphase and relative ground |
kV |
forty-two |
|
Between vacuum fracture surfaces |
kV |
forty-two | ||
|
Control circuit to ground |
kV |
2 (excluding semiconductors and resistive capacitive components) | ||
|
Auxiliary circuit to ground |
kV |
two | ||
|
mechanical
characteristic |
Closing time |
ms |
≤200 | |
|
Inherent opening time |
ms |
≤160 | ||
|
Three phases in different periods |
ms |
≤3 | ||
|
Closing bounce |
ms |
≤10 | ||
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