Wuxi Haibang Mechanical & Electrical Manufacturing Co.,Ltd
Wuxi Haibang Mechanical & Electrical Manufacturing Co.,Ltd
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Hai Bang low Voltage Vacuum Contactor – Type CKJ3-1.14D/D-630~800 is applicable on AC 50-60Hz power systems, rated voltage 1140V, rated current 630-800A. This type of 1.14kV vacuum contactor is used to directly or remotely connect and disconnect the main circuit and frequently control AC motors, transformers and other electrical control occasions. 1.14kV Vacuum Contactor 800A is widely used in petroleum, coal mine explosion-proof equipment and other occasions. The altitude of the environment where the 1.14kV Vacuum Contactor is used does not exceed 1000 meters above sea level.
Please refer to the categories for other types of 1.14kV Vacuum Contactors.
Technical Data:
|
Name |
Unit |
Value | ||
|
Main circuit |
Rated working voltage (Ue) |
V |
1140 |
|
| Rated working current (Ie) |
A |
630, 800 | ||
| Rated frequency (fr) |
Hz |
50~60 | ||
| Rated connecting capacity |
A |
10Ie (AC-4) | ||
| Rated breaking capacity |
A |
8Ie (AC-4) | ||
| Rated short circuit duration |
s |
4 | ||
| Ultimate breaking capacity |
kA, time |
6.3kA/3times | ||
| Power frequency withstand voltage |
Wiring terminal to earth |
kV |
4.2 |
|
|
Vacuum breaks |
kV |
10 | ||
| Lightening impulse withstand voltage |
kV |
8 | ||
|
Control circuit |
Rated voltage (Us) |
V |
AC 110/220/380 |
|
| DC 110/220 | ||||
| Rated power (Ps)electric holding |
VA |
≤900/50 (absorbing/holding) | ||
|
Auxiliary circuit |
Form |
(3a+2b) |
||
| 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 |
600(AC-3), 300(AC-4) |
|
|
Short-term |
time/h |
2000 | ||
|
Mechanical endurance |
10000 times |
100 | ||
|
Electrical endurance |
10000 times |
60(AC-3), 6(AC-4) | ||
|
Mechanical characteristics |
Closing time |
ms |
≤200 |
|
| 3-phase asynchronous time |
ms |
≤3 | ||
| Original opening time |
ms |
≤150(electric holding) | ||
| Closing tripping |
ms |
≤10 | ||
Remark:
1. Rated control voltage can be made according to customer’s requirements.
2. Can be used for 2000V.