Topper® series group-operated medium-voltage switches

Topper series medium-voltage group-operated switches

15-38 kV
  • Rated continuous current up to 1,200 A

  • Lightning impulse (BIL) up to 200 kV

Topper series medium-voltage group-operated switches

A compact style switch for use where mounting clearances are constrained. Tailored to substation duties, the Topper comes fully assembled and factory adjusted on either a steel or aluminum base with a range of mounting styles to provide the best fit to the application.


Watch the video below to learn more about Siemens medium-voltage air-break disconnect switches. 


Three-phase off-load and load-break switching.


Features include:

  • Oil-impregnated sintered bronze bearings
  • Pipe operated
  • Exceptionally compact
  • Internal operating mechanism
  • Plug-in Saf-T-Gap or vacuum interrupters.


  • Porcelain or polymer insulators
  • Steel or aluminum base
  • Motorized operation
  • Variable phase spacing
  • Pole-top, crossarm, phase-over-phase, upright, and vertical mounting styles
  • Hookstick or pipe operated.


  • Voltage ratings of 15 kV, 25 kV, or 38 kV
  • Rated continuous currents of 600 A, 900 A, or 1,200 A
  • Lightning impulses (BIL) of 110 kV, 150 kV, or 200 kV.

Mailing address

Siemens Industry, Inc.

99 Bolton Sullivan Drive

Heber Springs, Arkansas 72543

United States

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