Ex e Terminal Boxes Stainless Steel | Zone 1 Zone 2 ATEX Certified | Pepperl+Fuchs SLS Series

Ex e Terminal Boxes stainless steel

The SLS series of hazardous area terminal boxes, manufactured by Pepperl+Fuchs can be equipped with various quantities and types of terminals, cable glands. Any custom configuration, including combinations of terminals and controls can be added to suit the needs of the end user – Contact us for details.

Enclosures are manufactured from electropolished, 316L grade stainless steel as standard.  This is to provide excellent resistance to tarnishing and corrosion.

This surface finish on the durable stainless steel means that SLS terminal boxes are ideally suited to meet hygienic requirements valid in pharmaceutical and food processing plants.

These ATEX terminal boxes and enclosures are certified for operation in temperatures between –50 °C and +120 °C can be used in many different applications as a replacement for stainless steel.

Stainless Steel Terminal Boxes | SLS Series

Stainless Steel Terminal Boxes | SLS Series

ex e terminal boxes – Features

  • Durable 316L grade stainless steel enclosure
  • Can be used safely in Zone 1, Zone 2, Zone 21 and Zone 22
  • Ex e, Ex ia and Ex tb certifications
  • Customisable configuration of terminals, cable entries and cable gland types as per specification
  • Degree of protection: IP66
  • Withstands temperatures down to -50 °C
  • Fully detachable enclosure cover

ex e Terminal boxes – Dimensions

SLS Terminal Box | Dimensions

SLS Terminal Box | Dimensions


A Height
B Width
C Depth
D Internal height
E Internal width
F Internal depth to surface mounting plate
H Mounting holes distance, horizontal
J Mounting holes diameter
K Maximum external dimension with mounting brackets
[A] – [D] Cable entry faces

➡ For full details of dimensional values see data sheet.

ex e terminal boxes – ordering information

This table shows how to put together the order code for your required Terminal Box.

For example, if you wish to order a Stainless Steel terminal box, size 3, for intrinsically safe circuits the correct order code would be as follows – SLS33.TY

SL S 3 3 T Yxxxxxx
SL – metal enclosure Material
S – Stainless Steel
Enclosure Size
1 – 6
for dimensions see data sheet
Type of Explosion Protection
1 – Ex e, Ex tb
3 – Ex ia, Ex tb
5 – Ex ia / Ex e, Ex tb
Type of Solution
T – Terminal Box
Variant number
Cxxxxxx – configured variants
Yxxxxxx – engineered variants

Hazardous Area Certifications & COMPLIANCE

EU-Type Examination Certificate – CML 16 ATEX 3008X


Ex II 2 GD
Ex eb IIC T* Gb, Ex db eb IIC T* Gb, Ex tb IIIC T** Db or Ex ia IIC T* Gb, Ex tb IIIC T** Db or
Ex eb IIC T* Gb, Ex ia IIC T* Gb, Ex tb IIIC T** Db
T6/T80 °C @ Ta +40 °C
T5/T95 °C @ Ta +55 °C
T4/T125 °C @ Ta +85 °C
T3/T160 °C @ Ta +120 °C

➡ See the complete range of Terminal Boxes & Junction Boxes for Explosion Protection Applications

Pepperl Fuchs

Electrical Explosion Proof Equipment for Hazardous Areas | ATEX & IECEx Certified

Hazardous Area Electrical Equipment

Junction Boxes Exe Exd | Control Units Exe Exd | Control Stations Ex d | Control Panels Ex d | Switch Disconnectors Ex d

Data Sheets