EF distribution class medium-voltage disconnects

EF distribution class medium-voltage disconnects

15-38 kV
  • Rated continuous current up to 900 A

  • Lightning impulse (BIL) up to 150 kV

EF medium-voltage distribution class disconnects

Crossarm mounted with either through bolts or optional clamping arrangement, the type EF disconnect is a robust, securely-mounted switch for disconnection at a crossarm or frame assembly where a clamp-mounting assembly is suitable.


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


Distribution class disconnection where clamp mounting is possible.


Features include:

  • Loadbreak hooks 
  • Compact design 
  • Polymer or porcelain insulators.


  • Backplate set 
  • Tinned terminal pads 
  • Loadbreak hooks
  • Cable connectors.


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

Mailing address

Siemens Industry, Inc.

99 Bolton Sullivan Drive

Heber Springs, Arkansas 72543

United States

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