Safety regulations for the method of operation
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
European and 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
Electric shock
● Work on electrical installations may only be carried out by qualified
electricians or by instructed persons working under the guidance and
supervision of a qualified electrician, in accordance with the electrotechnical
● 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 external voltage using a
'DANGER External voltage' sign.
● Route mains connections to products separately and fuse them with their own,
clearly marked fuse.
● Fit an easily accessible disconnecting device in accordance with IEC 60950-1
outside the installation.
● Produce earthing as stated in local safety regulations.
CAUTION
Noncompliance with the following safety regulations
Risk of injury to persons and damage to property
Compliance with the following regulations is required.
● Specialist electrical engineering knowledge is required for installation.
● Only an expert is permitted to carry out installation work.
Incorrect installation can take safety devices out of operation unbeknown to a
layperson.
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