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| Brand Name : | Comking | 
| Certification : | Type Test Report | 
| Model Number : | CKSS | 
| Payment Terms : | T/T, L/C | 
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  | |||||
5.Standard
----GB/T11022-1999
----GB3906-2006
----GB1984-2003
----GB3804-2004
----GB16926-2009
----GB1985-2004
----IEC60265-1-1998
                                 
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| Company Info. | 
| Zhuhai Comking Electric Co.,Ltd. | 
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