WARNING
Nature and origin of the danger
Consequences if the danger occurs
● Measures / prohibitions for danger avoidance
How possible damage to property is presented
Information about possible damage to property is shown as follows:
NOTICE
Nature and origin of the danger
Consequences if the danger occurs
● Measures / prohibitions for danger avoidance
2.2 Safety regulations for the method of operation
National standards, regulations and legislation
Siemens products are developed and produced in compliance with the relevant
international safety standards. Should additional national or local safety standards or
legislation concerning the planning, mounting, installation, operation or disposal of the
product apply at the place of operation, then these must also be taken into account
together with the safety regulations in the product documentation.
Electrical installations
WARNING
Electrical voltage
Electric shock
● Work on electrical installations may only be carried out by certified electricians or
by instructed persons working under the guidance and supervision of a certified
electrician, in accordance with the electrotechnical regulations.
● Wherever possible disconnect products from the power supply when carrying out
commissioning, maintenance or repair work on them.
● Lock volt-free areas to prevent them being switched back on again by mistake.
● Label the connection terminals with external voltage using a 'DANGERExternal
voltage' sign.
● Route supply system connections to products separately and fuse them with their
own, clearly marked fuse.
● Fit an easily accessible disconnecting device in accordance with IEC60950‑1
outside the installation.
● Produce earthing as stated in local safety regulations.
Safety
Safety regulations for the method of operation
2
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