B-1 regulator bypass medium-voltage disconnect switches

B-1 regulator bypass medium-voltage disconnect switches

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

  • Lightning impulse (BIL) up to 200 kV

B-1 medium-voltage regulator bypass disconnect switches

A simple and rugged, three-blade, disconnect switch, the type B-1 encompasses a major safety feature in that the bypass blade can be visually checked to verify that it is open.


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


Regulator bypassing to reduce the impact of equipment maintenance on network reliability.


Features include:

  • Robust square-tubular copper blades.


  • Saf-T-Gap load-break interrupter
  • Porcelain or polymer insulators
  • Stop-position angle
  • Loadbreak hooks.


  • Voltage ratings of 15 kV, 27 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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