1 General
BU 0540 EN-1516
7
1.2 Safety and installation notes
The devices are operating materials intended for use in industrial high voltage systems, and are
operated at voltages that could lead to severe injuries or death if they are touched.
The device and its accessories must only be used for the purpose which is intended by the
manufacturer. Unauthorised modifications and the use of spare parts and additional equipment which
has not been purchased from or recommended by the manufacturer of the device may cause fire,
electric shock and injury.
All of the associated covers and protective devices must be used.
Installation and other work may only be carried out by qualified electricians with strict adherence to the
operating instructions. Therefore keep these Operating Instructions at hand, together with all
supplementary instructions for any options which are used, and give them to each user.
Local regulations for the installation of electrical equipment and accident prevention must be complied
with.
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1.2.1 Explanation of labels used
DANGER
Indicates an immediate danger, which may result in death or serious injury.
WARNING
Indicates a possibly dangerous situation, which may result in death or
serious injury.
CAUTION
Indicates a possibly dangerous situation, which may result in slight or
minor injuries.
NOTICE
Indicates a possibly harmful situation, which may cause damage to the
product or the environment.
Note
Indicates hints for use and useful information.
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1.2.2 List of safety and installation notes
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DANGER!
Electric shock
The device operates with a dangerous voltage. Touching certain conducting components (connection terminals,
contact rails and supply cables as well as the PCBs) will cause electric shock with possibly fatal consequences.
Even when the motor is at a standstill (e.g. caused by an electronic block, blocked drive or output terminal short-
circuit), the line connection terminals, motor terminals and braking resistor terminals (if present), contact rails,
PCBs and supply cables may still conduct hazardous voltages. A motor standstill is not identical to electrical
isolation from the mains.
Only carry out installations and work if the device
is disconnected from the voltage
and
wait at least
5 minutes
after the mains have been switched off! (The equipment may continue to carry hazardous voltages for
up to 5 minutes after being switched off at the mains).
Follow the
5 Safety Rules
(1. Switch off the power, 2. Secure against switching on, 3. Check for no voltage,
4. Earthing and short circuiting, 5. Cover or fence off neighbouring live components).
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