Printed in the Federal Republic of Germany
TR-Electronic GmbH 2019, All Rights Reserved
08/20/2021
TR-ECE-BA-GB-0138 v04
Page 29 of 47
7 Connection / Shielding
7.1 Versions
Depending on the connection configuration, the explosion protection enclosure is equipped with at
least one thread hole (1x M20x1.5) or with a maximum of three thread holes (3x M20x1.5), which may
be axial or radial. Depending on the required connection configuration, the threaded holes may be
equipped with or without cable inlets or with sealing plugs.
Outlets, axial
Outlets, radial
Figure 4: Connection variants
(1):
Connection cap, top view
(2), (3),
(4):
One to a maximum of three threaded holes M20x1.5
In the case of one or two threaded holes, the position within the defined positions (2),
(3) or (4) is variable.
(5):
Sealing plug M20x1.5,
compliant according to 2014/34/EU or IECEx system and type-examination certificate
(6):
Cable inlet M20x1.5,
compliant according to 2014/34/EU or IECEx system and type-examination certificate
