- Auto Lighting System[34]
- Halogen Bulbs[8]
- CD/DVD Player Bags & Cases[1]
- Metal Halide Lamps[2]
- LED Lamps[1]
- Circuit Breakers[14]
- Contactors[1]
- Integrated Circuits[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 vacuum circuit breaker
Detailed Product Description
Main Technical Data
Rated voltage 31.5kv
Rated current 630A
Rated frequency 50/60Hz
Rated short-time power frequency withstand voltage(1min) 85kv
Rated lighting impulse withstand voltage(peak) 175kv
Rated short-circuit breaking current 12.5kA
Rated short-circuit making current(peak) 31.5kA
Rated operations of short-circuit breaking current interruption 30operations
Rated single capacitor bank breaking current 630A
Rated back-to-back capacitor breaking current 400A
Rated short-time withstand current 12.5kA
Rated peak withstand current 31.5kv
Rated duration of short-circuit 2s
Mechanical life 20000operations
Contact closing force due to bellows and atmosphere 160±60N
Counterforce at rated contact stroke 260±60N
Ciruit resistance at rated contact force ≤40µΩ
Shelf life 20years
Contact erosion limit 3mm
Weight of moving parts ≤4kg
Rated operation sequence O-0.3-CO-180s-CO
