Hazardous Area Products // Exe Increased Safety Enclosures // Stainless Steel // Eaton Crouse-Hinds S-TB (STB) Series Enclosures

Eaton Crouse-Hinds S-TB (STB) Series Enclosures


Cable Systems provide an in-house Design, Assembly & Certification service for this item.


 

Clear

Share this product:

S-TB-T terminal boxes:

The STB Series of enclosures are 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.

Applications:

  • 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
  • Stainless steel versions are particularly recommended for use in marine or other corrosive environments

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

Certifications and compliances:

  • Class I, Division 2, Groups A, B, C, D
  • UL/cUL Listed
  • NEMA Type 3S, 4 (painted steel), NEMA Type 4X (stainless steel), NEMA Type 6; IP66
  • Ex e IIC
  • Intrinsically safe components
  • TR-CU and EAC certified
  • IECEx/ATEX, Zones 1, 2, 21, 22
  • UL50/C22.2 No. 94-M91
  • IECEx and ATEX component certificate – BVS13ATEXE015U and IECEx BVS 13.0025U
  • N-TB-T terminal boxes:

S-TB-T terminal boxes:

S-TB enclosures are available 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.

Standards:

  • IEC/EN 60079-0
  • IEC/EN 60079-7
  • IEC/EN 60079-31
  • IEC/EN 60529

EN/IEC certificates:

  • BVS16 ATEX-E-096X
  • IECEx BVS 16.0062X

Ambient temperatures:

  • -55B/-40°C up to +40°C (T6 and maximum surface temperature of T80°C)
  • -55B/-40°C up to +55°C (T5 and maximum surface temperature of T95°C)
  • -55B/-40°C up to +65/70/80/100/110°C (with temperature class T4 and maximum surface temperature of T120°C)

Material:

  • Equipment available in 316L stainless steel enclosures

Electrical ratings:

  • Rated voltage up to 690V AC/DC; rated current up to 400A; conductor cross-sections up to 240mm2

Markings:

  • ATEX and IECEx: Ex e IIC T6/5/4 Gb or Ex eb IIC T6/5/4; Ex tb IIIC T80/95/120°C Db or Ex tb IIIC T80/95/120°C
  • EAC CU TR: 1Ex e IIC T6/T5 Gb X or Ex tb IIIC T80/95/120°C Db X

Note: Ambient temperature range depends on ratings of built-in components and enclosure gland plate and gasket options.

 

 

DescriptionTypeSpecification
Material1.5mm thick stainless steel grades: 316L (1.4401); 304 (1.4301)
or painted mild steel
FinishStainless steel
Painted
Corrosion-resistant electro-polished surface
RAL 7032 (gray)
GasketAll typesFoam-in-place silicone (standard); cut silicone (with gland plates)
Cover mounting All types4 x M6 slotted, hexagon head captive screws
GroundingSTB121208-303020
STB383822-604022
M6 internal/external ground stud
M10 internal/external ground stud
Box mountingSTB121208-252512
STB163812-303020
STB383822-604022
2 x external lugs, 0.315” (8mm) clearance holes
4 x external lugs, 0.315” (8mm) clearance holes
4 x external lugs, 0.433” (11mm) clearance holes
Equipment mountingMounting pillars or TAS 20 rails welded to base of enclosure
(see Dimensions for details)
Ingress protectionAll typesIEC/EN 60529, IP66
Service temperature rangeNo gland plates

With gland plates

-55°C to +120°C
-40°C to +120°C
Impact resistanceAll typesMinimum 7 J (Nm) to IEC/EN 60079-0, IK 10
Gland platesSTB383822-604022Optional 3mm thick gland plates available in bottom, left, top
and right configurations

Eaton Crouse-Hinds S-TB (STB) Series Enclosures Datasheet