24
8011703/XF49/2019-09| SICK
O P E R A T I N G I N S T R U C T I O N S | VICOTEC320
Subject to change without notice
5
INSTALLATION
5.7
Electrical installation
5.7.1
Electrical protection
– Insulation: Class of protection 1 in accordance with EN 61140
– Insulation coordination: Overvoltage category II in accordance with EN61010-1
– Contamination: Degree of contamination II in accordance with DIN EN 61010-1
WARNING: Hazard by voltage.
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Only allow an authorized electrician to work on the electric system.
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Observe the relevant safety regulations during all installation work.
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Take suitable protective measures against local risks and those arising from the
system.
WARNING: Endangerment of electrical safety during installation and
maintenance work when the power supply is not switched off
An electrical accident can occur during installation and maintenance work when the
power supply to the device or lines is not switched off using a power isolating switch/
circuit breaker.
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Before starting the work on the device, ensure the power supply can be switched off
using a power isolating switch/circuit breaker in accordance with DIN EN 61010.
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Make sure the power isolating switch is easily accessible.
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An additional disconnecting device is mandatory when the power disconnector
switch cannot be accessed or only with difficulty after installation of the device
connection.
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After completion of the work or for test purposes, the power supply may only be
activated again by authorized personnel complying with the safety regulations.
WARNING: Endangerment of electrical safety through power cable with
incorrect rating
Electrical accidents can occur when the specifications for replacement of a removable
power cable have not been adequately observed.
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Always observe the exact specifications in the Operating Instructions (Technical data
Section) when replacing a removable power cable.
CAUTION: Device damage through incorrect or non-existing grounding
During installation and maintenance work, it must be ensured that the protective
grounding to the devices and/or lines involved is effective in accordance with
EN 61010-1.
Note: Responsibility for system safety
The person setting the system up is responsible for the safety of the system in which the
device is integrated.
