China wholesale Laser Acupuncture Therapy Instrument - JCZ5-24kV/630A Single Pole High-voltage Vacuum Contactor – Guoguang Electric
China wholesale Laser Acupuncture Therapy Instrument - JCZ5-24kV/630A Single Pole High-voltage Vacuum Contactor – Guoguang Electric Detail:
JCZ5-24kV/630A Single Pole High-voltage Vacuum Contactor
JCZ5-24kV Series indoor single pole AC high voltage vacuum contactor is suitable for metallurgy, mining, petrochemical, construction and other departments and industrial enterprises distribution system. It used to control the level of 24kV and below the high-voltage motors, transformers and electrical equipment such as a capacitor load, particularly applicable to a variety of operational areas frequently, and small size, light weight, using the current international arrangement of the popular assembly of the upper and lower structure, easy maintenance, easy-to-form FC loop equipment.
The holding method: electrical holding
Rated dynamic thermal stability current is divided into two kinds: 4kA (160A, 250A, 400A); 6.3kA (630A)
Rated Voltage: 24kV
Rated Current is available for four categories: 160A, 250A, 400A, 630A
Control voltage is available for four categories: 110VAC, 110VDC, 220VAC, 220VDC
Main Technical Parameters
|
Rated voltage |
kV |
24 |
|
Rated current |
A |
160, 250, 400, 630 |
|
Lightning impulse withstand voltage |
kV |
125 |
|
Rated making current (RMS) |
A |
1600, 2500, 4000, 6300 |
|
Rated Max. breaking current |
A |
1280, 2000, 3200, 5040 |
|
Rated shot-time withstand current |
kA |
4(160A,250A,400A)、6.3(630A) |
|
Rated operating voltage |
V |
110VAC，110VDC，220VAC，220VDC |
|
Rated shot circuit duration |
s |
4 |
|
Rated peak withstand current |
kA |
16 |
|
Short-time (1min) power frequency withstand voltage |
kV |
60 |
|
Power frequency withstand voltage of control circuit to ground |
kV |
2 |
|
Power frequency withstand voltage of auxiliary circuit to ground |
kV |
2 |
|
Mechanical life |
time |
30×104 |
|
Electrical life AC-3 |
time |
25×104 |
|
Rated contact pressure |
N |
≥550 |
|
Clearance between open contact |
mm |
15±1 |
|
Over travel |
mm |
4±0.5 |
|
Conducting loop resistance of each phase（20℃） |
μΩ |
≤150 |
|
Closing time |
ms |
≤150 |
|
Inherent opening time |
ms |
≤50 |
Technical Parameter of Auxiliary Circuit
|
Rate Voltage（V） |
Conventional thermal |
Work life (time) |
Use |
Rated current（A） |
||
|
Mechanical |
Electrical |
AC |
DC |
|||
|
DC220 |
6 |
≥5×106 |
≥2×105 |
DC11 |
|
0.4 |
|
AC380 |
6 |
AC11 |
4 |
|
||
Product detail pictures:
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