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Connecting The Machine For A Specific Direction Of Rotation; Introducing And Routing The Cables; Inserting The Cable Into The 1xb16 - Siemens 1LA8 Operating & Installation Instructions Manual

Low-voltage motor simotics tn series n-compact.
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6.3.8

Connecting the machine for a specific direction of rotation

If the machine has one shaft extension or two shaft extensions with different diameters, the
direction of rotation when looking at the front of the single or the thicker shaft extension is
defined as follows:
● If you connect the power cables in the phase sequence L1, L2, L3 to U, V, W, the resulting
● If you interchange two connections, e.g. L1, L2, L3 to W, V, U, the resulting rotation will be
● On machines which are only allowed to run in one direction, the rating plate shows an arrow
NOTICE
Incorrect direction of rotation
The machine will not be adequately cooled if it is operated other than how it was originally
ordered or with the incorrect direction of rotation. This can result in machine damage.
Observe the direction of rotation data on the nameplate.
6.4

Introducing and routing the cables

Table 6-3
Terminal box
GT640
1XB1621
1XB1631
1XB1634
1XB9600
6.4.1
Inserting the cable into the 1XB16... terminal box with cable gland
The connection cables are inserted into the terminal box via an exchangeable cable entry plate
or cable entry support . The cable entry plate is drilled by default. The cable glands are not
included in the standard scope of supply.
SIMOTICS TN Series N-compact 1LA8
Operating Instructions 08/2017
rotation will be clockwise.
counter-clockwise.
which indicates the permitted direction of rotation, and it also specifies the terminal
connections in the required phase sequence.
Connection technology (with cable lug / connection without cable lug)
With cable lug (Page 78)
Electrical connection
6.4 Introducing and routing the cables
Connection
Without cable lug (Page 79)
Connection without cable lug not pos‐
sible
75

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