Underground Distribution Switches

Powell distribution switch solutions are available in subsurface, pad-mount, and transformer-mounted constructions for use in load-break, source-transfer, loop-fed, and fault-interrupting applications. Switch designs can be customized to meet your requirements and application.

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Pad-Mount Switches

Powell offers a wide selection of pad-mount SF6 switches for systems rated 15kV through 38kV, 600A continuous current. Powell’s pad-mount switches may be provided in up to six switched ways. Pad-mount switches typically are provided with either front or rear termination access, however, Powell will configure to meet your specific requirements.

  • 15kV up to 38kV applications
  • 600 amp continuous current
  • SF6 insulating medium
  • Utility or heavy industrial applications

Subsurface/Vault Switches

Powell subsurface/vault-style medium voltage switches are available for systems rated 15kV through 38kV, 900A continuous current. Subsurface vault switches utilize a medium voltage switch assembly mounted below ground level in a vault or chamber.

  • Underground distribution applications
  • Multiple switch configurations
  • Custom-engineered to your specifications

Automatic Transfer Switches

Powell is your preferred switch solution provider for voltage loss restoration. Powell has over 30 years of experience in providing preferred/alternate, main-tie-main, and multisource load shedding solutions that meet our customers' requirements and applications.

  • Auto Transfer Applications
  • Auto Transfer with Load Fault Protection
  • Multiple Source Configurations
  • High Speed Transfer