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Terminal Box 1xb1621 - Siemens 1LA8 Operating Instructions Manual

Simotics tn series n-compact induction motor.
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Electrical connection
6.2 Terminal box
are possible. You can identify the terminal box installed on the machine via the illustrations in
the following chapters.
Terminal box 1XB1621 (Page 62)
Terminal box 1XB1631 (Page 63)
Terminal box 1XB1634 (Page 64)

Terminal box 1XB1621

Figure 6-1
The connecting cables are introduced into the 1XB1621 terminal box through the cable glands
with threaded holes 2 x M80 x 2 and 2 x M25 x 1.5. The cable glands are not included in the
standard scope of supply. The version with sealing insert with break-off ring is optional.
You can find additional information here:
● Bringing cables into the terminal box 1XB16.. and routing them with gable gland (Page 69)
● Bringing cables into the terminal box 1XB.. and routing them with onion sealing ring
● Connecting cables with cable lugs (Page 71)
Terminal box 1XB1621
(Page 70)
SIMOTICS TN Series N-compact 1LA8
Operating Instructions 05/2014


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