12KV Gas Insulated Switchgear Circuit Breaker GIS Load Switch

Model: 12KV-630A

Description:

The VCB in the GIS cabinet is a high-voltage circuit breaker used to protect equipment and personnel in the power system from the effects of power system overload, short circuits, and ground faults. This device is suitable for power transmission and distribution systems ranging from 10 kV to 35 kV, and has the advantages of reliable short circuit protection, fast closing speed, and convenient operation. Its main components include mechanisms, electrical components, control circuits, etc. This device can be used alone or in conjunction with other electrical equipment, such as isolation switches.

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General
Technical Parameter

Load switch of YFC-12KV-630A complies with the technical requirements of GB3804 -2004 "High-voltage alternating-current switches for rated voltage above 3.6KV and up to and including 40.5KV" and GB16926-1997 "High-voltage alternating current switch-fuse combinations" Major loop: 630A- -20KA (4s); 25KA (3s); Mechanical life: 5000 times. Ground loop: 20KA(2s); Mechanical life: 2000 times.
Product definition

Working condition precautions
O Altitude≤2000m, earthquake intensity≤8 degree. O Ambient temperature: -40° ~ +140°C ; Relative humidity daily average≤90% , monthly average≤90%. O Not applicable in the place with frequently violent vibrations, or water vapor, gas, chemically corrosive sediments, salt spray, dust and dirt, that would significantly affect the performance of the mechanism, or fire and explosion hazards.
Drawing

Environmental

No.	ltem	Unit	Data
1	Rated frequency	Hz	50
2	Rated current	A	630
3	Rated short time withstand current	KA	20/25
4	Rated peak withstand current	KA	50
5	Rated short circuit duration	S	4
6	Rated short circuit making current	KA	50
7	Theoretical operation	Times	5000

12KV Gas Insulated Switchgear Circuit Breaker GIS Load Switch

Product definition

Working condition precautions

Drawing

Environmental

Yufeng Electric Co.,LTD

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