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APO with Transparent Inspection Window Type 4X, 11.89x11.89x6.93, Lt Gray, Fiberglass, DTH

  • Available sized from 7x6 (178x152mm) to 24x24 (610x610mm)
  • Enclosures are maintenance free and corrosion resistant
  • Bases and covers are made from hot compression molded halogen free, self extinguishing fiberglass reinforced polyester (FRP) that can withstand continuous temperatures up to 158°F (70°C) and momentary exposure to 302°F (150°C)
  • All enclosures can be easily modified to customer specifications
  • Gaskets are made from continuously poured polyurethane foam
  • Brass M4 threaded inserts are factory installed for mounting plate attachment
  • 7 to 6 bosses suitable for M6 threaded inserts are molded into the base (dependant on enclosure size).
  • Maintain UL / CSA Type 4x with up to 5 extension collars
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APO with Transparent Inspection Window Type 4X


  • Style: Inspection window cover, non-metallic hinges and stainless steel padlockable latch
  • Height: 11.89 in / 302 mm
  • Width: 11.89 in / 302 mm
  • Depth: 6.93 in / 176 mm
  • Protection Rating: NEMA Type 3; NEMA Type 3R; NEMA Type 4; NEMA Type 4X; NEMA Type 12; NEMA Type 13; IP67; IK10
  • Material: Fiberglass
  • Finish: Smooth Matte
  • Color: Light Gray
  • Color Code: RAL 7035
  • Weight: 5 lb


APO enclosures are designed for use as insulated electrical junction boxes, terminal wiring boxes, instrument housings and electrical control enclosures in highly corrosive environments.



Industry Standards

UL Listed Types 3, 3R, 4, 4X, 12, 13
CSA 3, 3R, 4, 4X, 12, 13

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