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Electric KYN28 Series Metal Enclosed Switchgear 1250A 6.6KV Gray Color

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Address: No. 25 Street , Hanghai Road, Zhengzhou,Henan,China

Contact name:Ken Chan (English)

Knkong Electric Co.,Ltd

Electric KYN28 Series Metal Enclosed Switchgear 1250A 6.6KV Gray Color

Country/Region	china
City & Province	zhengzhou henan

Product Details

1250A 6.6KV switchgear KYN28 with Chinese VS1-12 series vacuum breaker circuit

Voltage: 6.6KV

Current: 1250A

General

The KYN28 series switchgear produced by KNKONG-ELECTRIC is equipped with the main circuit breaker VS1 (ZN63) independently researched and manufactured by China with a large breaking capacity, and the VD4 series vacuum circuit breaker produced by ABB can also be used.

The KYN28 series switchgear produced by our company has the advantages of advanced structure, reasonableness, compactness, superior performance, safety, and reliability.

The 11KV switchgear is our best-selling international product. The vacuum circuit breaker VS1 independently developed by China enables us to compete with European products in the international market.

Service environment
1. Air temperature: -25℃~+40℃
2. Humidity: Monthly average humidity 95%; Daily average humidity 90%.
3. Altitude:≤ 2500m
4. Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
5. No frequent violent shake

Technical data

No.	Item		Unit	Parameter
1	Rated voltage		kV	3.6~24
2	Rated frequency		Hz	50/60
3	Rated current		A	630,1250,1600,2000,2500,3150,4000
4	Branch busbar Rated current			630,1250,1600,2000,2500,3150,4000
5	Main busbar Rated current			630,1250,1600,2000,2500,3150,4000
6	1min Power frequency withstand voltage	wet	KV	38	50/60
		dry		48	60/65
7	Lightning impulse withstand voltage		kV	75	95/125
8	Rated short circuit breaking current (peak)		KA	40/50/63/80/100
9	Short-time withstand current(4s)			20/25/31.5/40
10	Protection type			IP4X for housing