Technical data

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