Wuxi Haibang Mechanical & Electrical Manufacturing Co.,Ltd
Wuxi Haibang Mechanical & Electrical Manufacturing Co.,Ltd
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Hai Bang Medium Voltage 3 Phase AC Vacuum Contactor – Type JCZ3-3.6D/D-800~2500A is suitable for AC 50~60Hz power systems, main circuit rated voltage 3.6kV, and rated current 800-2500A. 3.6kV 3 Phase Vacuum Contactor is widely used in petroleum, coal mine explosion-proof equipment and other occasions. The 3 Phase AC 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. The altitude of the environment where the 12kV 3 Phase Vacuum Contactor is used does not exceed 1000 meters above sea level.
Technical Data:
|
Name |
Unit |
Value | ||
|
Main circuit |
Rated working voltage (Ue) |
kV |
3.6kV |
|
| Rated working current (Ie) |
A |
800A~2500A | ||
| Rated frequency (fr) |
Hz |
50~60 | ||
| Rated connecting capacity |
kA |
12.5 | ||
| Rated breaking capacity |
kA |
10 | ||
| Ultimate breaking capacity |
kA |
12.5 | ||
| Rated short time withstand current |
kA |
10 | ||
| Rated peak withstand current |
kA |
12.5 | ||
| Rated short circuit duration |
s |
4 | ||
| Power frequency withstand voltage |
Wiring terminal to earth |
kV |
18 |
|
|
Vacuum breaks |
kV |
18 | ||
| Lightening impulse withstand voltage |
kV |
40 | ||
|
Control circuit |
Rated voltage (Us) |
V |
AC 110/220/380 |
|
| DC 110/220 | ||||
| Rated power (Ps)electric holding(800~3200A) |
VA |
≤600/50 (absorbing/holding) | ||
| Rated power (Ps) mechanical holding(800~2500) |
VA |
≤900/600 (Closing/opening) | ||
|
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 |
300 |
|
|
Short-term |
time/h |
600 | ||
|
Mechanical endurance |
10000 times |
10 | ||
|
Electrical endurance |
10000 times |
10 | ||
|
Mechanical characteristics |
Closing time |
ms |
≤200 |
|
| 3-phase asynchronous time |
ms |
≤3 | ||
| Original opening time |
ms |
≤150 | ||
| Closing tripping |
ms |
≤10 | ||
Remark:
1. Rated control voltage can be made according to customer’s requirements.
2. For the mechanical holding type, the locking device needs to be replaced every 100,000 times.