Mounting/Removing The Terminal Box - Siemens SIMOTICS FD 1LN1 Operating Instructions & Installation Instructions

Low-voltage motor
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10.Fasten the grounding straps to the terminal box lower section and the console or cable duct:
11.Connect the cables in accordance with the circuit diagram on the inside of the cover (M12,
12.Reconnect the power supply cables. More information:
13.Screw in the two diagonally arranged threaded bars and slide the cover onto these bars.
14.Fix the two free screw connections and tighten by hand.
15.Remove the threaded bars and screw in the two other screws.
16.Tighten all screws (4 x M10, tightening torque 40 Nm).
See also
Connecting cables with cable lugs (Page 90)
Connecting cables without cable lugs (Page 91)
Bringing cables into the terminal box 1XB... with cable gland (Page 89)
6.3.8

Mounting/removing the terminal box

When removing or installing the terminal box cover, secure it using diagonally arranged M10
threaded bars to prevent it falling.
Removing the terminal box
1. Release two diagonally opposing screws at the terminal box cover and replace them by
2. Release the two other screws.
3. Carefully pull the terminal box cover over the threaded bars.
SIMOTICS FD 1LN1
Operating Instructions 01/2019
– After rotation, remove the plugs of the two nearest M8 threads on the console or cable
duct.
– Grind the surface at the drilled holes so that the grounding straps have metallic contact.
– Then fasten the two straps to the terminal box lower section and the console or cable
duct (4x M8, tightening torque 11 Nm).
– Protect the bare areas at the contact with corrosion protection.
tightening torque 20 Nm). Ensure that the minimum air clearances are observed. More
information:
Minimum air clearances (Page 94)
– Connecting the grounding conductor (Page 85)
– Introducing and routing the cables ...
– Connecting cables ...
Take care not to damage the seal.
threaded bars.
Electrical connection
6.3 Terminal box
83

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