CKJ50 1000A, 1250A Vacuum Contactors
Home Products Vacuum Contactor1.14KV Low Voltage Vacuum ContactorsCKJ50 1000A, 1250A Vacuum Contactors
CKJ50 1000A, 1250A Vacuum Contactors
CKJ50-1000A/1140V and CKJ50-1250A/1140V series AC Vacuum Contactor is applicable for AC 50HZ power system of rated voltage 1.14KV and rated current up to 1000 A and 1250A to open and close circuit, start and control AC motor frequently. It is suitable for composed magnetic starter with various protective devices and compose a explosion-proof magnetic starter and large mineral Switchgear.
Type |
Unit |
CKJ50-1000A/1140V |
CKJ50-1250A/1140V |
Rated voltage |
KV |
1.14 |
1.14 |
Rated current |
A |
1000 |
1250 |
Making capacity |
A |
5000(100 times) |
|
Breaking capacity |
A |
4500(10 times) |
|
Limit breaking capacity |
A |
5000(3 times) |
|
Electrical life times(AC3) |
times |
600,000 |
|
Electrical life times(AC4) |
times |
6,000 |
|
Mechanical life times |
times |
1,000,000 |
|
Rated operating frequency (AC3) |
times /h |
600 |
|
Rated operating frequency (AC4) |
times /h |
120 |
|
Short-time operating frequency(20s) |
times /h |
1000 |
|
Contacts separation |
mm |
2.8±0.1 |
|
Over travel |
mm |
1.0±0.1 |
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