Vacuum circuit breakers, HS series These types are available in all ratings from 3.6 to 36kV, and can be applied to a variety of H.V. switchgear.

The motor-spring stored-energy types feature auto-reclosing. The HS types are comparatively high in breaking current with ratings of over 7.2kV, 20kA. - Breaking currents: 12.5kA to 50kA - Rated voltage: 3.6kV to 36kV - Standards: IEC, JEC