Zhuhai Comking Electric Co.,Ltd.
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1.Description
CKSS is a new generation of intelligent & environmental-friendly type medium voltage switchgear working in the voltage range maximum up to 24kV.
2. Technical Feature
----Without SF6 gas,green & environment friendly
----Small size & flexible expansion
----Safe & reliable
----Spring operating mechanism with dual anti-misoperation system
----Fuse with sealed isolation
3. Working Condition
3.1 Altitude: ≤4000m
3.2 Ambient air temperature: -40℃～+45℃
3.3 Max. average daily temperature: +40℃ Max. annual average temperature: +35℃
3.4 Wind speed: ≤34m/s
3.5 Relative air humidity: ≤95% ( +25℃)
3.6 Ground gradient: ≤5°
3.7 Earthquake intensity: ≤magnitude 8
3.8 Applicable in the places without fire, without explosion risk, without chemical corrosive and without violent vibration
(Exceeding above working condition is available as customized product)
4.Technical Data
|
Technical Data |
Module V |
Module C |
Module F |
|||||
|
Rated voltage(KV) |
12 |
24 |
12 |
24 |
12 |
24 |
||
|
Rated frequency(Hz) |
50/60 |
50/60 |
50/60 |
|||||
|
Rated current(A) |
630 |
630 |
630 |
630 |
||||
|
Rated short-circuit breaking current(KA) |
25 |
20 |
/ |
31.5 |
||||
|
Rated breaking cable charging current(A) |
/ |
10 |
10 |
|||||
|
Rated short-time withstand current(KA) |
25 |
20 |
20 |
/ |
||||
|
Rated short-time withstand time(S) |
4 |
4 |
/ |
|||||
|
Rated peak withstand current(KA) |
63 |
50 |
50 |
/ |
||||
|
Rated short-circuit making current(KA) |
63 |
50 |
50 |
/ |
||||
|
Rated breaking transfer current(A) |
/ |
/ |
3150 |
|||||
|
Rated insulating level |
Rated lighting impulse withstand voltage(kV) |
phase-to-phase phase-to-earth |
75 |
95 |
75 |
95 |
75 |
95 |
|
open contact |
85 |
110 |
85 |
110 |
85 |
110 |
||
|
Rated power frequency withstand voltage(kV/ min) |
phase-to-phase phase-to-earth |
42 |
65 |
42 |
65 |
42 |
65 |
|
|
open contact |
48 |
79 |
48 |
79 |
48 |
79 |
||
|
Auxiliary control circuit |
2 |
2 |
2 |
|||||
|
Mechanical life (times) |
10000 |
10000 |
10000 |
|||||
|
Main circuit resistance (μΩ) |
≤140 |
≤140 |
≤700 |
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5.Standard
----GB/T11022-1999
----GB3906-2006
----GB1984-2003
----GB3804-2004
----GB16926-2009
----GB1985-2004
----IEC60265-1-1998