Siemens SIMATIC S7-300 Información Del Producto página 17

Safety-related symbols for devices with Ex protection
The following table contains an explanation of the symbols located in your SIMATIC device, its packaging or the
accompanying documentation.
Symbol Meaning
The assigned safety symbols apply to devices with Ex approval.
You must read the product documentation. The product documentation contains information about
the potential risks and enable you to recognize risks and implement countermeasures.
Read the information provided by the product documentation.
ISO 7010 M002
Ensure the device is only installed by electrically skilled person.
IEC 60417 No. 6182
Observe the mechanical rating of the device.
Note that connected mains lines must be designed according to the expected minimum and
maximum ambient temperature.
Note that the device must be constructed and connected in accordance with EMC regulations.
When the device is under voltage, note that it may not be installed or removed, or plugged or
pulled.
Note that a 230 V device can be exposed to electrical voltages which can be dangerous.
ANSI Z535.2
Note that a device of Protection Class III may only be supplied with a protective low voltage
according to the standard SELV/PELV.
IEC 60417-1-5180 "Class III equipment"
Be aware that the device is only approved for the industrial field and only for indoor use.
For Zone 2 potentially explosive atmospheres, be aware that the device may only be used when it is
installed in an enclosure with a degree of protection ≥ IP54.
For Zone 22 potentially explosive atmospheres, be aware that the device may only be used when it
is installed in an enclosure with a degree of protection ≥ IP6x.
Product information on fail-safe signal modules
A5E50592408-AA, 11/2022
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