8BK88 6-12KV Series Metal-Clad Withdrawal Switchgear
8BK88 6-12KV Series Metal-Clad Withdrawal Switchgear
8BK88 6-12KV Series Metal-Clad Withdrawal Switchgear

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8BK88 6-12KV Series Metal-Clad Withdrawal Switchgear

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Model No. : 8BK88
Brand Name :
12yrs

Yangzhong,, Jiangsu, China

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Product description

Cabinet body

The cabinet body is formed by a whole plate , fixed by high strength rivets, it is hard to be out of shape, its grounding continuousness is good, and its  arc-resistance performance is excellent;

The whole framework and the separation plates are made of zinc plates coated with aluminum, which ensures reliable grounding and long-term anti-corrosion ;the door, surface and the sealing plates are powder coated with light gray which is a standard color;

The carriages are supported by rails, they can be easily pulled out or pushed in through rolling bears

Vacuum breaker

The 8BK88 switchgear adopts 3AH serial vacuum breaker (ceramic arc-extinguishing chamber),which can meet any requirement of 10KV distribution room.Its rated current is up to 4000A.Short circuit switch-on and switch-off is up to 63KA,the full capacity of the switch-on and switch-off is up to 50~100 times,the mechanism life is up to 30,000 times (max is up to 60,000 times in special frequent occations);the 3AH breaker practical and economical, specially designed for the Chinese electric network, adopted the design of enlarging the creep distance and enhancing insulating,it is maintenance-free, the reignition will not occur when switching off / switching on the capacitor bank ,its power frequency withstand voltage is 42KV,the peak of surge withstand voltage is 75KV,thermal stability max current is up to 50KA/3s,the air net distance of bare parts with electricity is more than 125mm; its operating over- voltage is small. Therefore it is reliable and safe.

 

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