Bringing Cables Into The Terminal Box 1Xb; Strain Relief Device And Sealing Insert - Siemens SIMOTICS FD 1LL1 Operating Instructions Manual

● Lay the connecting cables and in particular the PE conductor in the terminal box in an open
● Connect the machine in such a way that a permanent, safe electrical connection is
● Lay and secure external auxiliary cables separately from the main cable. Elements with
Table 6-3
Terminal box
GT640
1XB1621
1XB1631
1XB7730
1XB7731
1XB7740
1XB7750
6.4.1 Bringing cables into the terminal box 1XB... with sealing insert with break-off ring
The 1XB1621, 1XB1631 terminal boxes can be equipped optionally with a sealing insert with
break-off ring. The connecting cable is sealed at the cable entry location using a cut-out sealing
insert and is fastened using a strain relief device.
Bringing cables into the terminal box and connecting them
The terminal box is opened, the cable cut to the correct length and stripped back. Make sure
that no external forces are acting on the cable connection.
Image 6-7
SIMOTICS FD 1LL1
Operating Instructions 04/2016
arrangement so that chafing of the cable insulation is prevented.
maintained. Avoid protruding wire ends.
cable ties may be present for this purpose.
Connection technology (with cable lug / connection without cable lug)

Strain relief device and sealing insert

With cable lug (Page 80)
Electrical connection
Connection
Without cable lug (Page 80)
6.4 Connection
77