Liyond 3.6kV Low voltage 400A 630A vacuum contactor
General description
JCZ3-3.6KV vacuum contactor JCZ3-3.6 type indoor high-voltage AC vacuum contactor is a three-phase AC 50Hz indoor high-voltage electrical equipment, suitable for rated 3.6kV and below voltage level, can realize the control of various forms of current circuits such as three-phase motors, transformers, capacitors and pure resistance loads and other electrical equipment, and for high-voltage electrical equipment that are not subject to atmospheric overvoltage. High-frequency switching and continuous operation of equipment not subject to atmospheric overvoltage.
Technical parameters
| Model |
JCZ3-3.6 |
| Rated operating voltage |
3.6kV |
| Rated working current |
400A 630A |
| Rated frequency |
50Hz |
| Rated closing capacity |
10Ie (AC-4) |
| Rated breaking capacity |
8Ie (AC-4) |
| Rated short-time withstand current |
10Ie |
| Rated peak withstand current |
25Ie |
| Rated short circuit withstand time |
4s |
| Power frequency withstand voltage phase to phase |
2kV |
| Power frequency withstand voltage to ground |
25kV |
| Lightning impulse withstand voltage |
40kV |
| Rated voltage |
AC/DC 110/220V |
| Electrical maintenance |
≤600/50(Closing/holding) |
| Power frequency withstand voltage of control circut and auxiliary circuit to ground |
2 |
| Rated operating frequency long term |
300 |
| Rated operating frequency short term |
600 |
| Mechanical life |
30 |
| Electrical life |
10 |
| Closing time |
≤200 |
| Inherent opening time |
≤160 |
| 3 phases Not simultaneous |
≤3 |
| Switching bounce |
≤10 |
Normal use conditions
a) Upper limit of ambient air temperature: +40°C, lower limit: -25°C
b) The altitude does not exceed 2000M
c) Humidity: The daily average value of relative humidity is not more than 95%, the monthly average value is not more than 90%: the daily average value of water vapor pressure is not more than 2.2KPA, and the monthly average value is not more than 1.8KPA
d) The surrounding air should not be significantly polluted by corrosive or flammable gas and water vapor
e) Infrequent strenuous exercise
f) When the contactor moves, the inclination angle between the installation plane and the horizontal is not more than 5°
g) Requirements beyond the above conditions shall be agreed by the user and the manufacturer.
){kind=link}