WAGO 750-1505, Руководство пользователя

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42 Use in Hazardous Environments WAGO I/O System 750
750-1505 16DO 24VDC 0.5 A, low-side switching
Manual
Version 1.1.0
Public
Table 18: Description of Marking Example for Approved I/O Module Ex I According to ATEX and
IECEx
Marking Description
TUEV 12 ATEX 106032 X
IECEx TUN 12 0039 X
Approving authority resp. certificate numbers
Dust
II Equipment group: All except mining
3 (1) D Category 3 (Zone 22) equipment containing a safety
device for a category 1 (Zone 20) equipment
Ex Explosion protection mark
tc Type of protection: Protection by enclosure
[ia Da] Type of protection and equipment protection level
(EPL): Associated apparatus with intrinsic safety
circuits for use in Zone 20
IIIC Explosion group of dust
T135°C Max. surface temperature of the enclosure
(without a dust layer)
Dc Equipment protection level (EPL)
Mining
I Equipment Group: Mining
M2 (M1) Category: High level of protection with electrical
circuits which present a very high level of protection
Ex Explosion protection mark
d Type of protection: Flameproof enclosure
[ia Ma] Type of protection and equipment protection level
(EPL): Associated apparatus with intrinsic safety
electrical circuits
I Explosion group for electrical equipment for mines
susceptible to firedamp
Mb Equipment protection level (EPL)
Gases
II Equipment group: All except mining
3 (1) G Category 3 (Zone 2) equipment containing a safety
device for a category 1 (Zone 0) equipment
Ex Explosion protection mark
ec Equipment protection by increased safety “e”
[ia Ga] Type of protection and equipment protection level
(EPL): Associated apparatus with intrinsic safety
circuits for use in Zone 0
IIC Explosion group of gas and vapours
T4 Temperature class: Max. surface temperature
135 °C
Gc Equipment protection level (EPL)
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