Vacuum Circuit Breakers adopt a bistable permanent magnet mechanism, the integrated design of the mechanical manual closing mechanism, and the mechanical manual opening mechanism. Permanent magnet mechanism opening is combined with spring opening, the distribution of opening speed is more ideal. Compared with spring operating breakers, movable units are less, significantly improving reliability and life, they are ideal replacements for spring operating breakers.

Vacuum Circuit Breakers
Rated Current
Rated Voltage
Rated Ultimate Breaking Capacity
Undervoltage Power
400 A
1.14 kV
7.5 (9) A
5 W
630 A
1.14 kV
12.5 A
5 W
1000 A
1.14 kV
12.5 A
5 W
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