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STB Stainless Steel or Sheet Steel Enclosures

STB enclosures from Eaton's Crouse-Hinds Division feature a compact and simple design, making them a good fit for the requirements of distribution and lighting junction boxes.  Available in 13 sizes with standard finishes of 316L stainless steel or painted steel.  An IP66 rating makes these enclosures suitable for all environmental conditions.  The stainless steel versions are particularly recommended for use in marine environments or other corrosive applications.

STB enclosures are also available fully-assembled as custom-configured and certified terminal boxes. Options include custom entries, cable glands and plugs with built-in terminals (Ex-e and Ex-i) and other equipment.

Certifications and compliances

  • Class I, Division 2, Groups A, B, C, D*
  • cULus to UL50/C22.2 No. 94-M91
  • NEMA Type 3S, 4 (painted steel), NEMA Type 4X (stainless steel), NEMA Type 6; IP66
  • UL Listed E115376 (Ordinary Location)
  • IECEx and ATEX component certificate – BVS13ATEXE015U and IECEx BVS 13.0025U
  • 2G Ex e IIC Gb or 2D Ex tb IIIC Db
  • TR-CU and EAC certified

* When terminal blocks or approved Class I, Division 2 devices are installed within the enclosure in accordance with NEC/CEC requirements. These enclosures are NOT explosionproof and will NOT contain an explosion. Installation of arcing and sparking devices which are not Class I, Division 2 rated or higher is NOT PERMITTED.

Design Features

  • Designed to meet the requirement for distribution and lighting junction boxes
  • Available in 13 sizes with standard finishes of painted or 316L stainless steel, together with the high IP rating, make these enclosures suitable for all environmental conditions
  • The stainless steel versions are particularly recommended for use in marine or other corrosive environments
  • Painting of these enclosures uses a two-stage elecrophoretic dip coat system.  Treatment includes iron phosphate and paint application followed by electrostatic polyester powder coating. When applied to a mild steel substrate gives a minimum of 500 hours salt spray resistance

Standard materials

  • Enclosure - Polished 316L stainless steel; Polished 304 stainless steel; painted mild steel
  • Gasket - Foam-in-place silicone (standard); cut silicone (with gland plates - optional)
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