18 Years Factory Speech Therapy Equipment - JCZ5-12/7.2KV High-voltage Vacuum Contactor – Guoguang Electric
18 Years Factory Speech Therapy Equipment - JCZ5-12/7.2KV High-voltage Vacuum Contactor – Guoguang Electric Detail:
JCZ5-12/7.2KV High-voltage Vacuum Contactor
The series JCZ5 of high-voltage vacuum contactor are suitable for the distribution system of metallurgy, mine, petrol-chemistry and building, to control the equipment used electricity such as high-voltage motor of 7.2kV or under 7.2kV for JCZ5-7.2 type and 12kV or under 12kV for JCZ5-12 type, transformer and capacitor loading etc. Especially suitable for frequent operation domain. It features in its small volume, light weight and packaged design of upper and lower arrangement. It is convenient to use and maintain, and is easy to form the complete equipment of F-C loop.
Technical Parameters
|
Main Technical Parameters |
JCZ5-7.2J(D) |
JCZ5-12J(D) |
|
|
Rated Voltage |
7.2kV |
12kV |
|
|
Rated current |
800A, 630A, 400A, (200A) |
800A, 630A, 400A,(200A) |
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|
Rated turn-on current |
6300A, 4000A,(2000A) |
6300A, 4000A,(2000A) |
|
|
Rated interrupted current in maximum |
5040A, 3200A,(1600A) |
5040A, 3200A,(1600A) |
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|
Rated operating voltage |
110/220V.AC |
110/220V.AC |
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|
Contacts' Industrial Frequency Bearing Voltage in OFF status |
32kV |
42kV |
|
|
Switch-on coil pick-up voltage |
≤DC6/3A |
≤DC6/3A |
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|
Coil and current maintenance |
DC0.32/0.16A |
DC0.32/0.16A |
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|
Switch-off coil trip current |
DC2.5/1.3A |
DC2.5/1.3A |
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Rated operating frequency |
300times/h |
300times/h |
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|
Mechanical life |
30*104 times |
30*104 times |
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|
Electricity life |
AC-3 |
25*104 times |
25*104 times |
|
AC-4 |
10*104 times |
10*104 times |
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|
Contact open space |
4.5+1-0.5mm |
6+1-0.5mm |
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|
super distance |
1.5±0.5mm |
1.5±0.5mm |
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|
Switch-on average speed |
0.15±0.05mm/s |
0.2±0.1mm/s |
|
|
Switch-off average speed |
0.45±0.15mm/s |
0.6±0.1mm/s |
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|
Three phases switch-on synchronism |
≤2.0ms |
≤2.0ms |
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Contact spring time |
≤5.0ms |
≤5.0ms |
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Switch-on time |
≤150ms |
≤150ms |
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|
Fixed switch-off time |
≤50ms |
≤50ms |
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|
Several phases conductive circuit resistance(20℃) |
≤250μΩ |
≤250μΩ |
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|
Contact spring length in switch-on condition |
34±1mm |
36±1mm 38+-1mm (400A) |
|
|
Weight |
about 28kgs |
about 32kgs |
|
Parameters of auxiliary switches
|
Rated operating voltage V |
Rated heat current A |
Service life (times) |
Usage mode |
Rated operating current A |
||
|
mechanics |
electrics |
DC |
AC |
|||
|
AC 220V |
6 |
≥5*106 |
≥2*105 |
DC11 |
|
0.4 A |
|
DC 380V |
6 |
AC11 |
4A |
|
||
The Figures of Installation Dimension
Product detail pictures:
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