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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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