VBI-C-24kV side mounted vacuum circuit breaker
VBI-C-24kV side mounted vacuum circuit breaker–LIYOND
The operation mechanism of VBI-24 side mounted type vacuum circuit beaker is used spring to storage energy,which can be operated by two ways,manual or electrical.The characteristics are accordance with GB1984-89 <AC High Voltage Circuit Breaker>,JB3855-96<10kv Indoor High Voltage Vacuum Circuit Breaker General Technical Specifications>,Relevant Provisions of IEC56 standard.
Main Technical Specification
No. Name unit Data * Type / 口Insulating cylinder
口Epoxy resin embedded poles
口Nylon embedded poles
1 Rated voltage kv 24 2 Rated insulation level Power frequency withstand voltage 65 Rated lightning impulse withstand voltage 125 3 Contact opening distance
12±1 4 overtravel 3±0.5 5 Distance between phases 210±1 6 Contact closing bounce time ms ≤2 7 Three-phase points,closing at different times ≤2 8 Opening time ≤50 9 Closing time ≤100 10 Average opening speed(contact is separation after 6mm) M/s 0.9~1.3 11 Average opening speed(contact is closed before 6mm) 0.4~0.8 12 Closing contact contact pressure N 25KA 31.5KA 2200±200 3200±200
VBI-C side mounted vacuum circuit breaker
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