Knockout Openings - Siemens 1LA Operating Instructions Manual

Connecting
WARNING
Mains with non-grounded neutral poin
Operating the machine on a mains with a non-grounded neutral point is
only permitted during rarely occurring, short tim
elimination of an error (ground fault of a cable, EN 60034-1).
Instructions for terminal boxes
CA UTION
Make sure that the interior components of the terminal box (such
board and cable connections) are not damaged.
Foreig n bodies, dirt, and moisture must not be allowed to get into the terminal box.
For information on entries into the terminal box, please refer to DIN 42925.
Any other open entries must be sealed with O-rings or suitable flat gaskets to
prevent dust and water from entering, while the terminal bo
against dust and water using the original seal.
Please observe the tightening torques
When performing a test run, secure the
NOTICE
The terminal box must be sealed so that dust and water cannot enter.

Knockout openings

NOTICE
Knockout openings
● Knockout openings in the terminal box must be knocked out using appropriate
methods.
● Take care not to damage the terminal box or its interior components (the
terminal board, cable connections, and so on).
8
t
for cable glands and other screws.
feather keys without output elements.
Standard machines_Operating_Instructions_Compact
e intervals, e.g. until
as the terminal
x itself must be sealed
56100000002001 EN, 01/2010