VBI-C-12kV side mounted vacuum circuit breaker
VBI-C-12KV SIDE MOUNTED VACUUM CIRCUIT BREAKER–LIYOND
VBI type vacuum circuit breaker conforms to national standard GB1984-2003 HV Vacuum Circuit Breaker, JB3855-1996<3.6-40.5kV indoor AC high voltage vacuum circuit breaker>, DL/T403-2000<12kv-40.5kv HV vacuum circuit breaker ordering technical conditions>, and IEC62271-100:2001 high voltage AC circuit breaker relevant regulations.
Main Technical Specification
NO. Name Unit data * Type / 口Insulating cylinder
口Epoxy resin embedded poles
口Nylon embedded poles
1 clearance between open contacts
11±1 2 overtravel 3±0.5 3 Interphase center distance 210±1 4 Contact closing bounce time
≤2 5 Three phase switching and switching out of synchronism ≤2 6 Opening time ≤50 7 Closing time ≤100 8 Average switching speed (6mm after contact separation)
0.9~1.3 9 Average closing speed (6mm before contact closing) 0.4~0.8 10 Closing contact pressure N 25KA 31.5KA 2200±200 3200±200
VBI-C side mounted vacuum circuit breaker
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