SG ZN28A-12/630 Indoor/cabinet high-voltage vacuum circuit breaker high-voltage vacuum switch split/conjoined TPC

Custom processing: yes

model: ZN28A-12

Number of poles: 3P

Rated frequency: 50(Hz)

Rated insulation voltage: 12k（V）

Arc extinguishing method: Vacuum circuit breaker

Mechanical life: 1 (10,000 times)