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8.2.2
Installation of the connection box
The device can be ordered in different versions. Depending on the version or-
dered, another procedure must be carried out for the installation.
These are the order versions:
•
connection box according to ATEX / IECEx
"Installation of the connection box (ATEX / IECEx)" on page 101
•
connection according to NEC 50
no box must be installed here, only connect the cable according to their des-
ignation.
Cable connection "Connecting the device electrically" on page 103
Installation of the connection box (ATEX/IECEx)
This version of the connection box is supplied in countries where the
ATEX / IECEx standards apply.
The external connecting housing is pre-assembled and connected electrically to
the ultrasonic electronics ex-factory.
1
Connection box Ex-de
Fig. 8.3: Connecting the connection box
8 Installation
Manual USM GT400 · EN10 · May 2021
101
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