Safety instructions
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Revision 11 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DA10 • 861-9601.9
The switchgear corresponds to the relevant laws, prescriptions and standards applicable at
the time of delivery. If correctly used, it provides a high degree of safety by means of logical
mechanical interlocks and shockproof metal enclosure of live parts.
Independently of the safety instructions given in these operating instructions, the local laws,
ordinances, guidelines and standards for operation of electrical equipment as well as for labor,
health and environmental protection apply.
The switchgear operator or owner must keep the technical documents supplied with
the switchgear throughout the entire service life, and keep them up-to-date in case of
modifications of the switchgear.
Five Safety Rules of
Electrical Engineering
The Five Safety Rules of Electrical Engineering must be complied with during operation of
the products and components described in these operating instructions:
• Isolate.
• Secure against reclosing.
• Verify safe isolation from supply.
• Earth and short-circuit.
• Cover or barrier adjacent live parts.
Hazardous substances
If hazardous substances are required to perform the work, the relevant safety data sheets and
operating instructions must be observed.
Personal protective
equipment (PPE)
For switchgear
with proven
internal arc classification according to IEC 62271 Part 200,
no personal protective equipment must be worn for operating the switchgear
.
For switchgear
without proof
of internal arc classification according to IEC 62271 Part 200,
personal protective equipment must be worn for operating the switchgear
.
If covers have to be removed
to work on switchgear
, personal protective equipment must be
worn for protection against hot gases exhausting in case of internal arc. In case of internal arc,
full personal protection is not provided, even if the personal protective equipment is worn.
To select the protective equipment, the local laws and regulations must be observed and
accomplished.
The protective equipment consists of:
• Protective clothing
• Safety shoes
• Gloves
• Helmet and face protection
• Ear protection
WARNING
Any kind of modification on the product or alteration of the product must be coordinated
with the manufacturer in advance.
Uncoordinated modifications or alterations can cause the expiration of warranty claims,
cause danger to life, limb and other legally protected interests.
The fulfillment of the type tests (according to IEC 62271-200) may not be guaranteed
anymore. This applies especially though not exclusively to the following actions, e.g in the
course of maintenance or repairs.
➭ Use Siemens original parts only.
➭ Service engineers performing replacement are trained and certified by Siemens.
➭ Install or adjust parts properly.
➭ Perform settings in accordance with Siemens specifications.
➭ After installation and setting, have a final check performed by a service engineer approved
by Siemens, including documentation of the test results.
➭ Perform maintenance according to the operating instructions of the Siemens products.