WAGO Modular IO System INTERBUS S Manual de servicio descargar pdf (Pagina 152)

4 • Use in Hazardous Environments

Identification

WAGO-I/O-SYSTEM 750

Table 2: Description of the inscription

Inscription text Description

TÜV 07 ATEX 554086 X

TUN 09.0001X

Approving authority or

certificate numbers

Dust

II Device group: All except mining

3(1)D Device category: Zone 22 device (Zone 20 subunit)

Ex Explosion protection mark

tD Protection by enclosure

[iaD] Approved in accordance with "Dust intrinsic safety"

standard

A22 Surface temperature determined according to

Procedure A, use in Zone 22

IP6X Dust-tight (totally protected against dust)

T 135°C Max. surface temp. of the enclosure (no dust bin)

Mining

I Device group: Mining

(M2) Device category: High degree of safety

[Ex ia] Explosion protection: Mark with category of type of

protection intrinsic safety: Even safe when two

errors occur

I Device group: Mining

Gases

II Device group: All except mining

3(1)G Device category: Zone 2 device (Zone 0 subunit)

Ex Explosion protection mark

nA Type of protection: Non-sparking operating

equipment

[ia] Category of type of protection intrinsic safety: Even

safe when two errors occur

IIC Explosion Group

T4 Temperature class: Max. surface temperature 135°C

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WAGO Modular IO System INTERBUS S Manual de servicio Pagina 152