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 | 24kV |
| Material | Metal clad enclosed |
| Rated frequency | 50Hz |
| Type | Withdrawable |
| Brand Name | Comking |
| Model Number | KYN28A |
| 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 | 24kV |
| Material | Metal clad enclosed | Rated frequency | 50Hz |
| Type | Withdrawable | Brand Name | Comking |
| Model Number | KYN28A | Certification | Type Test Report |
| Place of Origin | China | ||
| High Light | power plant switchgear ，medium voltage distribution panel | ||
1. Description
KYN28A-12 is the switchgear apply in the single busbar power system and single busbar sectionalized power system with three-phase AC 50Hz,7.2~12kV.It can be used for receiving & distributing electric power of the transmission and distribution control.
2. Working Condition
Indoor ambient temperature:
Max. temperature: +40℃
Daily average temperature: +35℃
Min. temperature: -15℃
Indoor ambient humidity:
Daily average relative humidity: ≤95%
Monthly average relative humidity: ≤90%
Altitude for place of installation : ≤1000m
Earthquake intensity: ≤magnitude 8
Applicable in the places without fire, explosive risk, serious polluted and chemical corrosive.
(Exceeding above working condition is available as customized product)
| Rated voltage | kV | 12 | |
| Rated insulated level | 1min Power frequency withstand voltage (available value) | kV | 42 |
| Lighting impulse withstand voltage(peak value) | kV | 75 | |
| Rated frequency | Hz | 50 | |
| Rated current of main busbar | A | 630,1250,1600,2000,2500,3150,4000﹡ | |
| Rated current of branch busbar | A | 630,1250,1600,2000,2500,3150,4000 | |
| 4s Thermal stability current (available value) | kA | 16,20,25,31.5,40﹡﹡ | |
| Rated dynamic stability current(peak value) ﹡﹡﹡ | kA | 40,50,63,80,100 | |
Remark:
﹡---- it needs to be equipped with ventilation device.
﹡﹡---- At the rate of 40kA is 3 seconds.
﹡﹡﹡---- The short-circuit capacity of instrument transformer needs to be considered separately.
4. Standard
---- IEC62271-200:2003
---- GB3906-2006
---- GB/T11022-1999
---- DL/T 404-2007
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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