2 Assembly and installation
BU 0200 en-3118 77
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2.6.1.2 Options for ATEX Zone 22, category 3D
In order to ensure that the device is ATEX-compliant, its optional modules must also be approved for
potentially explosive areas. Option modules that are not in the following list may not be used in an
ATEX zone 22 3D. This also includes connectors and switches that may also not be used in such an
environment.
Control and parametrisation units are basically not approved for operation in ATEX zone 22 3D.
They may therefore only be used for commissioning or maintenance purposes and if it has been
ensured that no explosive dust atmosphere exists.
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Designation Part Number Use permissible
SK BRI4-1-100-100 275272005 Yes
SK CU4-PBR(-C) 275271000 / (275271500) Yes
SK CU4-IOE2(-C) 275271007 / (275271507) Yes
SK TI4-12-Adapter kit_63-71-EX
SK TI4-3-Adapter kit_80-112-EX 275175039 Yes
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