SER single-insulator medium-voltage disconnects

SER single-insulator medium-voltage disconnects

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

  • Lightning impulse (BIL) up to 200 kV

SER medium-voltage single-insulator disconnects

A single-insulator disconnect, the type SER is rugged and reliable where dependable operation in a lightweight package is required. Featuring a sturdy and well-ventilated square-tubular copper blade and high-pressure silver contacts, these switches have superior current carrying characteristics. 


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


Cut-out, mounted disconnection. 


Features include:

  • Single-point mounting 
  • Polymer insulators 
  • Positive latch 
  • Hookstick operation.


  • Plug-in Saf-T-Gap interrupter 
  • Quick break 
  • Crossarm mounting 
  • Loadbreak hooks.


  • 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, 150 kV, or 200 kV.

Mailing address

Siemens Industry, Inc.

99 Bolton Sullivan Drive

Heber Springs, Arkansas 72543

United States

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