Pushbutton fiberglass enclosures
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Pushbutton fiberglass enclosures

Eaton's B-Line series Type 4X fiberglass push button enclosures are designed to mount standard oil-tight push buttons, pilot lights and switches.  They are suited for harsh environments by helping protect against corrosion, windblown dust and rain, splashing water, hose directed water and prolonged submersion.  


  • Constructed of light-weight hot compression molded fiberglass reinforced polyester
  • Features poured polyurethane seamless gasket provides watertight, dust-tight environmental seal
  • Impact resistant and non-conductive
  • Secure mounting of push button in non-rotatable notched key hole
  • 300 series stainless steel used on all external hardware
  • Rounded edges reduce build-up of dust and debris
  • Recessed captive screws for a smooth surface finish
  • UL/cUL 50 Listed  and conforms to NEMA standard for Type 1, Type 4, Type 4X, Type 6P and Type 12
  • Options include in-line and multi-hole 30mm and 22mm enclosures
  • Full line of accessories available

Large enclosure video

Eaton’s B-Line series large enclosures provide reliable electrical equipment protection for variable frequency drives, motors, controls, electrical devices, and other power distribution equipment. View the video to learn more.