Stahlin Non-Metallic Enclosures pioneered non-metallic enclosures. For more than 60 years, we have led the electrical products industry in designing, engineering and manufacturing innovative, reliable fiberglass, polycarbonate, and PVC electrical and instrumentation enclosures for diverse interior and exterior applications. Stahlin provides the most extensive in-stock and customized line of non-metallic enclosures and accessories, balancing appealing aesthetics with stringent physical property performance standards including NEMA 4X and NEMA 6P integrity. As a proud U.S. manufacturer, we are the primary source producer of all our own enclosure components.

Stahlin provides the most extensive in-stock line of non-metallic enclosures and accessories including:

  • DiamondShield Series Enclosures, DS
  • Classic Series Enclosures, CL
  • Small Junction Enclosures
  • Pushbutton Series – Inline and multi-hole pushbutton enclosures
  • PolyStar Series
  • Duraboxx Series – Junction Enclosure, shallow depth, D, DL
  • New Sentry Series, PVC
  • N Series – Wall Mount and Control Tower
  • Disconnect Series – Control enclosures with disconnect handle, C
  • Accessories – Various accessories for use in electrical applications
  • Custom Products – Custom designed products for specific uses- ModRight

Stahlin Non-Metallic Enclosures is a brand of Robroy Industries, serving the marketplace under one family ownership since 1905.