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86-510-83720170 -8007 |
E-mail: lanhong@lhdz.com |
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CKJ3-(800,1000,1250)A/1140V |
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Name |
Unit |
Value |
Main circuit |
Rated working voltage (Ue) |
V |
1140 |
Rated working current (Ie) |
A |
800, 1000,1250 |
Rated thermal current (Ith) |
A |
800, 1000,1250 |
Rated frequency (fr) |
Hz |
50~60 |
Rated making capacity |
A |
4Ie(AC2) |
Rated breaking capacity |
A |
4Ie (AC2) |
Power frequency withstand voltage |
Between phases, phase to earth |
kV |
4.2 |
Vacuum breaks |
kV |
10 |
Lightening impulse withstand voltage |
kV |
8 |
Control circuit |
Rated voltage1 (Us) |
V |
AC. Or DC
110/220/380 |
Rated power (Ps) |
Electric holding |
VA |
≤1000/100 (absorbing/holding) |
Auxiliary circuit |
Form |
|
3a+3b |
Rated value |
|
AC380V/5A, DC380V/1A |
Control circuit, auxiliary circuit to earth power frequency withstand voltage |
kV |
2 |
Rated operating frequency |
Long-term or mechanical holding type |
time/h |
300 |
Short-term |
time/h |
600 |
Mechanical endurance2 |
10000 times |
30 |
Electrical endurance |
10000 times |
10 |
Mechanical characteristics |
Closing time |
ms |
≤200 |
Original opening time |
ms |
≤160 |
3-phase synchronism |
ms |
≤3 |
Closing tripping |
ms |
≤10 |
Remark: 1.rated control voltage can be made according to customer’s requirements.
2.for mechanical holding type, the interlock mechanism should be changed every 300,000 times. |
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