Additional Notes - Siemens SCALANCE XCM-100 Equipment Manual

Safety instructions for use in hazardous locations according to UL/FM HazLoc
If you use the device under UL or FM HazLoc conditions, you must also adhere to the
following safety instructions in addition to the general safety instructions for protection
against explosion:
EXPLOSION HAZARD
You may only connect or disconnect cables carrying electricity when the power supply is
switched off or when the device is in an area without inflammable gas concentrations.
Safety notices when using according to FM
If you use the device under FM conditions you must also keep to the following safety notices
in addition to the general safety notices for protection against explosion:
Explosion hazard
Do not disconnect equipment when a flammable or combustible atmosphere is present.
EXPLOSION HAZARD
Do not disconnect while circuit is live unless area is known to be non-hazardous.
Do not remove or replace while circuit is live when a flammable or combustible atmosphere is
present.
6.4

Additional notes

Insulation of external power supplies
Ext. circuits intended to be connected to this device shall be galv. separated from hazardous live
voltage by reinforced or double insulation.
SCALANCE XCM-100 Media Converter
Equipment Manual, 12/2023, C79000-G8976-C659-03
WARNING
WARNING
WARNING
WARNING
WARNING
Connecting
6.4 Additional notes
45