Zhuhai Comking Electric Co.,Ltd.
| Payment Terms | L/C, T/T, Western Union |
| Packaging Details | Wooden Packing |
| Delivery Time | 10-15 work days |
| Rated voltage | Max. up to 24kV |
| Rated frequency | 50Hz, 60Hz |
| Rated curent | 630A |
| Insulation | SF6 gas insulation |
| Brand Name | Comking |
| Model Number | CKFL |
| Certification | Type Test Report |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T, Western Union | Packaging Details | Wooden Packing |
| Delivery Time | 10-15 work days | Rated voltage | Max. up to 24kV |
| Rated frequency | 50Hz, 60Hz | Rated curent | 630A |
| Insulation | SF6 gas insulation | Brand Name | Comking |
| Model Number | CKFL | Certification | Type Test Report |
| Place of Origin | China | ||
| High Light | gis switchgear ，automatic switchgear | ||
1. Description
CKFL SF6gas-insulated switchgear is a completely sealed & insulated medium voltage ring main unit working in a voltage range maximum up to 24kV.
2. Technical Feature
---- Flexible expansion
---- Rustproof cabinet with high mechanical strength
---- Safe & reliable gas tank
---- Spring operating mechanism with anti-misoperation system
---- Fuse with sealed isolation
---- Simply and convenient connection
3. Working Condition
3.1 Altitude:≤1500m
3.2 Ambient air temperature: -35℃～+40℃
3.3 Max. average daily temperature: +40℃ Max. annual average temperature: +35℃
3.4 Wind speed: ≤34m/s
3.5 Relative air humidity: ≤90% ( +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 | Unit | Module C | Module F | Module V | |||||||||
| Load switch | Switch-fuse combination | Vacuum switch | Disconnector/ earthing switch | ||||||||||
| Rated voltage | kV | 12 | 24 | 12 | 24 | 12 | 24 | 12 | 24 | ||||
| Rated frequency | Hz | 50 | 50 | 50 | 50 | ||||||||
| Rated current | A | 630 | 125 | 630 | 630 | ||||||||
| Rated breaking cable charging current | A | 20 | 20 | / | / | ||||||||
| Rated short-circuit making current(peak) | kA | 50 | Up to fuse | 50 | 40 | 50 | 40 | ||||||
| Rated short-circuit breaking current | kA | / | Up to fuse | 20 | 16 | / | / | ||||||
| Rated short-time withstand current | kA | 20 | / | 20 | 16 | 20 | 16 | ||||||
| Rated short-time withstand current duration(main circuit) | s | 4 | / | 4 | 4 | 4 | 4 | ||||||
| Rated short-time withstand current duration(ground loop) | s | 2 | / | / | / | ||||||||
| Rated breaking transfer current | A | / | 1600 | / | / | ||||||||
| Rated short-time power frequency withstand voltage | phase-to-phase phase-to-earth | kV/1 min | 42 | 50 | 42 | 50 | 42 | 50 | 42 | 50 | |||
| open contact | kV/ 1 min | 48 | 65 | 48 | 65 | 48 | 65 | 48 | 65 | ||||
| Rated lightning impulse withstand voltage | phase-to-phase phase-to-earth | kV | 75 | 95 | 75 | 95 | 75 | 95 | 75 | 95 | |||
| open contact | kV | 85 | 110 | 85 | 110 | 85 | 110 | 85 | 110 | ||||
| Mechanical life | times | 5000 | 5000 | 5000 | 5000 | ||||||||
| Mechanical life of earthing switch | times | ≥2000 | ≥2000 | ≥2000 | ≥2000 | ||||||||
| SF6 pressure in seal enclosure | Mpa | 0.040-0.045 | 0.040-0.045 | 0.040-0.045 | 0.040-0.045 | ||||||||
| SF6 annual leakage rate | / | ≤0.02% | ≤0.02% | ≤0.02% | ≤0.02% | ||||||||
5. Available modules options
● CKFL- □ / C-----Load switch module
● CKFL- □ / F-----Switch-fuse combination module
● CKFL- □ / V-----Vacuum-circuit breaker module
● CKFL- □ / D-----Direct incoming/outgoing cable module
● CKFL- □ / CL-----Busbar sectionalizer module(load switch)
● CKFL- □ / CvKr-----Busbar sectionalizer module(vacuum switch)
● CKFL- □ / PT-----Potential transformer module
6. Standard
---- IEC62271-1
---- IEC62271-100
---- IEC62271-200
---- IEC60265-1
---- IEC62271-102
---- GB/T11022
---- GB/T3804
---- GB/T1984, GB1985
Company Details
Business Type:
Manufacturer
Year Established:
2006
Employee Number:
300~500
Ecer Certification：
Active Member
Zhuhai Comking Electric Co., Ltd. was founded in 2006 in Zhuhai, China. With our European partners we are now recognized as a leading manufacturer in power transmission and distribution industry throughout China and Asia. We are specialized in manufacturing of vacuum circuit breaker, so... Zhuhai Comking Electric Co., Ltd. was founded in 2006 in Zhuhai, China. With our European partners we are now recognized as a leading manufacturer in power transmission and distribution industry throughout China and Asia. We are specialized in manufacturing of vacuum circuit breaker, so...
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