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 | |||||
5. Standard
---- GB/T11022-1999
---- GB3906-2006
---- GB1984-2003
---- GB3804-2004
---- GB16926-2009
---- GB1985-2004
---- IEC60265-1-1998