Product Overview
The AB-3S-40.5 outdoor high-voltage vacuum circuit breaker comprises a uniquely designed
permanent magnet mechanism and a highly reliable intelligent controller. This device is
primarily used in medium-voltage overhead power grid systems for switching on and off load
currents, overload currents and short-circuit currents. It also features automatic reclosing from
0 to 3 attempts.
Main technical parameters
Shape and installation dimensions
Type Meaning
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