1.4 Instructions with Regard to Specific Dangers
1.4.1 Protection Against Contact With Electrical Parts and Housings
This section concerns components of the electric drive and control
system with voltages higher than 50 volts.
Contact with parts conducting voltages above 50 volts can cause personal dan-
ger and electric shock. When operating components of the electric drive and
control system, it is unavoidable that some parts of these components conduct
dangerous voltage.
High electrical voltage! Danger to life, risk of injury by electric shock or serious
injury!
● Only qualified persons are allowed to operate, maintain and/or repair the
components of the electric drive and control system.
● Follow the general installation and safety regulations when working on power
installations.
● Before switching on, the equipment grounding conductor must have been per-
manently connected to all electric components in accordance with the con-
nection diagram.
● Even for brief measurements or tests, operation is only allowed if the equip-
ment grounding conductor has been permanently connected to the points of
the components provided for this purpose.
● Before accessing electrical parts with voltage potentials higher than 50 V, you
must disconnect electric components from the mains or from the power sup-
ply unit. Secure the electric component from reconnection.
● With electric components, observe the following aspects:
Always wait 5 minutes after switching off power to allow live capacitors to
discharge before accessing an electric component. Measure the electrical
voltage of live parts before beginning to work to make sure that the equip-
ment is safe to touch.
● Install the covers and guards provided for this purpose before switching on.
● Never touch electrical connection points of the components while power is
turned on.
● Do not remove or plug in connectors when the component has been powered.
● Under specific conditions, electric drive systems can be operated at mains
protected by residual-current-operated circuit-breakers sensitive to universal
current (RCDs/RCMs).
● Secure built-in devices from penetrating foreign objects and water, as well as
from direct contact, by providing an external housing, for example a control
cabinet.
EFC x610 Series
Bosch Rexroth AG
Safety Instructions for Electric Drives and Controls
DOK-RCON03-EFC-X610***-IT05-EN-P
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