R STAHL 8280A Ex d Cabinet / Empty Enclosure EXpressure e 8280A Installation Guide

June 3, 2024
R STAHL

R STAHL 8280A Ex d Cabinet / Empty Enclosure EXpressure e 8280A

R STAHL 8280A Ex d Cabinet Empty Enclosure EXpressure e 8280A-
fig1

PRODUCT FEATURE

  • Cost savings thanks to low weight and small installation area
  • Easily adapted should there be any changes to an order
  • More installation space thanks to a large installation volume
  • Compact and flexible machinery and system design
  • More control functions available
  • Shorter planning and project turnaround times
  • Low operating and maintenance costs
  • Higher system availability and increased productivity

WebCode 8280A

The new EXpressure technology safely dissipates explosion pressure in cabinets, control boxes and other enclosures via flow channels. As a result, the lightweight and compact EXpressure enclosure, manufactured in accordance with industrial cabinet dimensions with a control panel made from industrial components, can be positioned as close as possible to the process for zones 1 and 2.

IECEx / ATEX
Zone 0
Installation in  

Selection Table

material                                                        Stainless steel

Cover mounting                                                Screws

Inner dimensions (WxHxD)| Hinge| volume| Product type| art. no.| Weight kg
300 x 400 x 200 mm| without| 24 cm³| 8280/.-20-2.11-1| 264241| 37.000
400 x 600 x 300 mm| with| 72 cm³| 8280/.-31-2.11-1| 263860| 79.000
600 x 800 x 400 mm| with| 192 cm³| 8280/.-41-2.11-1| 263859| 153.000
1000 x 1400 x 700 mm| with| 980 cm³| 8280/.-62-2.11-2| 264577| 551.000
1000 x 1400 x 700 mm| with| 980 cm³| 8280/.-62-2.21-2| 267378| 590.000

Ex d cabinet with base plate, without built-in components

Technical Data

  • Explosion Protection

    • IECEx gas explosion protection
    • 8280/0: Ex db sb IIB Gb
    • 8280/5: Ex db eb ia [ia Ga] ib [ib Gb] mb op pr [op is] sb IIB T5…T3 Gb
    • ATEX gas explosion protection
    • 8280/0: E II 2 G Ex db sb IIB Gb
    • 8280/5: E II 2 G Ex db eb ia [ia Ga] ib [ib Gb] mb op pr [op is] IIB T5…T3 Gb
    • Certificates ATEX (BVS), ATEX (PTB), IECEx (BVS), IECEx (PTB)
    • Notes Product label may vary. Series devices have certification according to ATEX and IECEx.
  • Electrical Data

    • Rated operational voltage AC 11 kV
    • Rated operational current 1250 A (T3)
  • Ambient Conditions
    Ambient temperature Ta -40 °C ≤ Ta ≤ +60 °C

  • Mechanical Data

    • Degree of protection (IP) IP66
    • Cover seal Silicone
    • M ax. connection cross-section 300 mm²
    • Protective conductor connection size M6
    • Protective conductor connection labelling Inside / outside on enclosure
  • Wall mounting: only using mounting brackets

  • Stand variant: only for enclosures size 62 (only possible without connection chamber)

Technical Drawings – Subject to Alterations

R STAHL 8280A Ex d Cabinet Empty Enclosure EXpressure e 8280A-
fig2

  1. Grid
  2. Cover screw
  3. Enclosure cover
  4. Hinge
  5. Mounting point for retaining lug
  6. Mounting point for transport lug
  7. Enclosure
  8. Positioning pin
  9. Fastening clip
  10. Base plate
  11. Inner earth connection for base plate
  12. Rupture disk
  13. Cap nut
  14. Frame

Accessories

R STAHL 8280A Ex d Cabinet Empty Enclosure EXpressure e 8280A-
fig3

Dimensional Drawings

(All Dimensions in mm [inches]) – Subject to Alterations

R STAHL 8280A Ex d Cabinet Empty Enclosure EXpressure e 8280A-
fig4
R STAHL 8280A Ex d Cabinet Empty Enclosure EXpressure e 8280A-
fig5
R STAHL 8280A Ex d Cabinet Empty Enclosure EXpressure e 8280A-
fig6

  • A = Mounting distance (outer) to other fixed objects
    • Enclosure size 20: A = 134 mm [5.28]
    • Enclosure size 31: A = 100 mm [3.94]
    • Enclosure size 41: A = 162 mm [6.38]
    • Enclosure size 62: A = 300 mm [11.81]

R STAHL 8280A Ex d Cabinet Empty Enclosure EXpressure e 8280A-
fig7
R STAHL 8280A Ex d Cabinet Empty Enclosure EXpressure e 8280A-
fig8
R STAHL 8280A Ex d Cabinet Empty Enclosure EXpressure e 8280A-
fig9
R STAHL 8280A Ex d Cabinet Empty Enclosure EXpressure e 8280A-
fig10

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