Safety Notes; General Safety Notices For The Scalance Mm900 Media Modules - Siemens SCALANCE MM900 Compact Operating Instructions

Safety notes

2.1

General safety notices for the SCALANCE MM900 media modules

Safety notices on the use of the device
The following safety notices must be adhered to when setting up and operating the device
and during all associated work such as installation, connecting up, replacing or opening the
device.
Opening the device
DO NOT OPEN WHEN ENERGIZED.
General notices about use in hazardous areas
Risk of explosion when connecting or disconnecting the device
EXPLOSION HAZARD
DO NOT CONNECT OR DISCONNECT EQUIPMENT WHEN A FLAMMABLE OR
COMBUSTIBLE ATMOSPHERE IS PRESENT.
Replacing components
EXPLOSION HAZARD
SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I, DIVISION
2 OR ZONE 2.
Requirements for the cabinet/enclosure
When used in hazardous environments corresponding to Class I, Division 2 or Class I,
Zone 2, the device must be installed in a cabinet or a suitable enclosure.
SCALANCE MM900
Compact Operating Instructions, 05/2016, A5E02630805-12
WARNING
WARNING
WARNING
WARNING
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