- Auto Lighting System[34]
- Circuit Breakers[14]
- Contactors[1]
- Integrated Circuits[1]
- Halogen Bulbs[8]
- Metal Halide Lamps[2]
- LED Lamps[1]
- CD/DVD Player Bags & Cases[1]
- Contact Person : Ms. Zhang S
- Company Name : Hubei Hanguang Lighting Co., Ltd.
- Tel : 86-712-2684567
- Fax : 86-712-2681234
- Address : Hubei,Xiaogan,257 Changzheng Road, Xiaogan City, Hubei Province. China
- Country/Region : China
- Zip : 432100
Vacuum interrupter for load breaking switch
Detailed Product Description
Main Technical Data
Rated voltage 12kv
Rated current 630A
Rated frequency 50/60Hz
Rated short-time power frequency withstand voltage(1min) 42kv
Rated lighting impulse withstand voltage(peak) 75kv
Rated short-time withstand current 16/20kA
Rated duration of short-circuit 4s
Rated peak withstand current 40/50kA
Rated short-circuit making current 40/50kA
Rated load with power breaking current 630A
Rated closed circuit breaking current 630A
Rated cable charging breaking current 10A
Mechanical life 10000operations
Contact closing force due to bellows and atmosphere 80±30N
Counterforce at rated contact stroke 120±40N
Ciruit resistance at rated contact force ≤30µΩ
Shelf life 20years
Contact erosion limit 3mm
Weight of moving parts ≤0.6kg
