Wuxi Haibang Mechanical & Electrical Manufacturing Co.,Ltd
Wuxi Haibang Mechanical & Electrical Manufacturing Co.,Ltd
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7.2kV 3 Phase Vacuum Contactor
Hai Bang High Voltage 3 Phase Vacuum Contactors – Type CKG8 are applicable on AC 50-60Hz power systems, rated voltage 7.2kV and 12kV, rated current 800A, 1000A, 1250A, 1600A, 2000A. This type of 3 Phase high voltage vacuum contactors are used to directly or remotely connect and disconnect the main circuit , and to control electrical equipment such as non-inductive AC motors and transformers. The altitude of the environment where the 3 Phase Vacuum Contactor is used does not exceed 1000 meters above sea level.
Types:
CKG8-7.2J/D-800-3.2
CKG8-7.2J/D-1000-10
CKG8-7.2J/D-1250-12.5
CKG8-7.2J/D-1600-12.5
CKG8-7.2J/D-2000-12.5
CKG8-12J/D-800-3.2
CKG8-12J/D-1000-10
CKG8-12J/D-1250-12.5
CKG8-12J/D-1600-12.5
CKG8-12J/D-2000-12.5
Technical Data:
|
Name |
Unit |
Value | |||
|
Main circuit |
Rated working voltage (Ue) |
kV |
7.2kV |
12kV |
|
| Rated working current (Ie) |
A |
800, 1000A, 1250A, 1600A, 2000A | |||
| Rated frequency (fr) |
Hz |
50~60 | |||
| Rated connecting capacity |
A |
4Ie (AC-2) | |||
| Rated breaking capacity |
A |
6Ie (AC-2) | |||
| Rated short time withstand current |
A |
8Ie | |||
| Rated peak withstand current |
A |
15Ie | |||
| Ultimate breaking capacity |
A |
8Ie, 3times | |||
| Rated short circuit duration |
s |
2 | |||
| Power frequency withstand voltage |
Wiring terminal to earth |
kV |
32 |
42 |
|
|
Vacuum breaks |
kV |
32 |
42 | ||
| Lightening impulse withstand voltage |
kV |
60 |
75 | ||
|
Control circuit |
Rated voltage (Us) |
V |
AC 110/220/380 |
||
| DC 110/220 | |||||
| Rated power (Ps)electric holding |
VA |
≤1000/100 (absorbing/holding) | |||
| Rated power (Ps) mechanical holding |
VA |
≤900/600 (Closing/opening) | |||
|
Auxiliary circuit |
Form |
(3a+2b)~(6a+5b) |
|||
| Rated value | AC 380V/5A, | ||||
| DC 380V/1A | |||||
|
Control circuit, auxiliary circuit to earth power frequency withstand voltage |
kV |
2 | |||
|
Rated operating frequency |
Long-term |
time/h |
120 |
||
|
Short-term |
time/h |
360 | |||
|
Mechanical endurance |
10000 times |
10 | |||
|
Electrical endurance |
10000 times |
25(AC-2) | |||
|
Mechanical characteristics |
Closing time |
ms |
≤200 |
||
| 3-phase asynchronous time |
ms |
≤3 | |||
| Original opening time |
ms |
≤60 | |||
| Closing tripping |
ms |
≤10 | |||
|
Remark: Rated control voltage can be made according to customer’s requirements. |
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