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Metal Enclosed Vacuum Circuit Breaker,
24kv Vacuum Circuit Breaker,
Metal Clad Withdrawable SwitchgearVacuum Circuit Breaker
KYN28A-12/24 12kV 24kV Medium Voltage Indoor Metal-clad Cabinet
KYN28 indoor metal-clad with drawable switchgear(hereinafter short as switchgear)is a complete power distribution device for 3.6~24kV,3-phase AC 50Hz,single-bus and single-bus sectionalized system. It is mainly used for power transmission of medium/small generators in power plants; power receiving, transmission for substations in power distribution and power system of factories, mines and enterprises, and starting of large high-voltage motor, etc., so as to control, protect and monitor the system. The switchgear meets IEC298,IEC60298,GB3906-91.In addition, to being used with domestic VS1 vacuum circuit breakers, it can also be used with VD4 from ABB,3AH5 from Siemens domestic ZN65A, and VB2 from GE, etc., it is truly a power distribution device with good performance.
Service conditions :
This product should not be used under conditions of fire, explosion, earthquake and chemical corrosion environments.
Structure & Basic Components of Switchgear:
|1. Enclosure||2. Sub-bus-bar||3. Main bus-bar bushing||4. Main bus-bar|
|5. Fixed contact assembly||6. Fixed contact box||7. Current transformer (CT)||8. Earth-switch|
|9. Cable||10. Surge arresters (not installed)||11. Bus-bar of earthing||12. Isolating plate|
|13. Partition (shutter)||14. Secondary circuit plug||15. CB truck (cart)||16. Heater|
|17. Draw-out type horizontal isolating plate||18. Earth switch operating mechanism||19. Control cable groove||20. Pressure releasing device|
|width||Rated current 1250A and below||800|
|Rated current 1600A and Above||1000|
|depth||Cable inlet and outlet||1500|
|Overhead inlet and outlet||
|Cabinet width A||Cabinet depth B||L1||L2||L3||L4|
The cabinet structure is made of the aluminum-zinc plate after being machined by CNC machine tool using multiple bending process; all operations are carried out under the closed state of the door; high protection level can prevent the intrusion of debris and insects; simple and effective five-proof locked to prevent misoperation. It can be equipped with VS1 and VD4 vacuum circuit breakers. It features the simple replacement of circuit breaker, good hand truck interchangeability, wall installation, and cabinet front maintenance, and it also features lower floor space, enough space for cable room, multiple cables connection. Heaters can be installed in the circuit breaker and cable room to prevent condensation and corrosion.
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