Vers. No. 6.1
10 Released: 25/04/2017
1 Safety Information
accident prevention regulations, guidelines and accepted engi-
neering rules. They must be able to reliably
assess the results of
their work and must be familiar with the contents of this manual.
Electrical connections must only be carried out by specialist per-
sonnel trained for the task.
In particular, pay attention to the following:
• the national installation and erec
tion regulations (e.g. ÖVE,
VDE, etc.)
• generally accepted engineering rules
• the details on transport, installa
tion, operation, servicing,
maintenance and disposal in this manual.
• the parameters, limits and the details about the operating and
ambient c
onditions on the name-plates and in the data sheets.
1.4 Special risks
The modules A123, A124, A127 and A128 are specifically
intended for measurements at high voltages. Consequently, on
the modules a voltage of up to 1200 V may be present, which can
lead to fatal or severe injury on touching the terminal contacts or
bare parts of the connecting cables. Therefore, make sure that
only qualified personnel have access to the modules or devices
and that the voltages on modules can be switched off by a switch-
disconnector or similar device for service purposes.
1.5 Siting locations
The devices in the Q.series range are protected to IP 20 against
water, dirt and small parts. If the ambient conditions require it,
the modules can be fitted in water-protected or watertight hous-
ings.
Please note the admissible ambient temperatures specified in the
techni
cal data.
1.6 Modifications
Making modifications to the modules or devices is not permitted.
Dirt and shrouding covers may only be removed for service and
maintenance purposes.
1.7 Servicing and cleaning
The modules or devices do not need any servicing. Cleaning may
only take place in the voltage-free state. Therefore follow the
points below:
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