Siemens 7MB1420, Инструкция по эксплуатации, Страница: 4 / 74

1 Introduction
1.1 General
Warning! Certain parts in this electrical device contain dangerous voltages during
operation.
Failure to observe the warnings could therefore result in severe personal
injury and/or damage to property.
Only suitably qualified staff should work on this device or in its vicinity. These
should be thoroughly familiar with all warnings and maintenance measures
according to this Manual.
Correct and safe operation of this device is dependent on proper handling,
installation, operation and maintenance.
This device has left the factory in a perfect condition as regards safety. The notes and warnings in
this Manual must be observed by the user if this state is to be maintained and hazard-free operation
of the device assured.
1.2 Staff Qualifications
A qualified person in the sense of this Instruction Manual and the warning information is one who
is familiar with the installation, construction and operation of the device and who has the appropriate
qualifications, e.g.:
– is trained and authorized to energize, de-energize, ground and tag circuits and devices in
accordance with established safety practices;
– is trained in the proper care and use of protective equipment in accordance with established
safety practices;
– is trained in first aid.
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