12KV Vacuum Circuit Breaker

12KV Vacuum Circuit Breaker Admin Edit

Min. Order: 10 Piece/Pieces
Place of Origin: Zhejiang, China (Mainland)
Production Capacity: 100
Packing: Wooden Case
Delivery Date: 15 Days
brand: Sasun
Rated voltage: 12KV
rated current: 1250A

vacuum circuit breaker


1rated voltagekv12
2max work voltagekv630
3rated currenta1250
4rated short circuit breaking currentka20
5rated short-circuit closing currentka50
6rated peak values withstand currentka50
74S rated short-circuit withstand currentka20
8frequency voltage(about rated breaking)kv40
9rated sequence of operation
10life of machinetimes1000
11rated short-circuit breaking current breaking timestimes50
12Operating mechanism rated closing voltage ( DC )v110220
13Contact travelmm11±1
14over travelmm3.5±0.5
15Three-phase, bounce timems≤2
16contactor closing bounce timems≤2
17Average opening speedm/s0.9~0.12
18Average closing speedm/s0.4~0.8
19max operation of voltages≤0.05
min operation of voltages≤0.08
20closing times0.1
21Each phase main loop resistance60
22The moving and static contacts, allowed to wear a cumulative thicknessmm3

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