Siemens SIMOTICS XP 1MB 1 Series User Manual

Non-standard tightening torques
Di󹪜erent tightening torques for electrical connections and bolted connections for parts with
󹪞at seals or insulating parts are speci󹪝ed in the relevant sections and drawings.
A.1.2 Stud-type bushings
Table A-2 Tightening torques for stud-type bushings
Thread ∅ M4 M5 M6 M8 M10 M12 M16 M20
Nm
Min. 1 1.6 2.5 5 8 13 25 42
Max. 1.2 2 3 6 10 15.5 30 52
A.1.3 Terminal boxes, end shields, grounding conductors, sheet metal fan covers
If no other tightening torques are speci󹪝ed, then the values in the following table apply.
Table A-3 Tightening torques for screws on the terminal box, end shields, screw-type grounding conductor connections
Thread ∅ M3.5 M4 M5 M6 M8 M10 M12 M16 M20
Nm min. 0.8 2 3.5 6 16 28 46 110 225
max. 1.2 3 5 9 24 42 70 165 340
Tightening torque for the condensation drain plug
Tighten the condensation drain plug M6x0.75 with a torque between 1.5 and 2.0Nm.
A.1.3.1 Terminal board and grounding
Table A-4 Tightening torques for electrical connections on the terminal board and grounding
Thread ∅ M3.5 M4 M5 M6 M8 M10 M12 M16
Nm
min. 0.8 0.8 1.8 2.7 5.5 9 14 27
max. 1.2 1.2 2.5 4 8 13 20 40
A.1.4 Tightening torques of additional connecting terminals
Table A-5 Tightening torques for electrical connections of monitoring equipment and anti-
condensation heating
Main terminal box
EN 60999-1: 2000 table 4 III
0.4Nm
Auxiliary terminal box min 0.6Nm max 0.8Nm
Technical data
A.1Tightening torques
1MB..1/2/3/4 - shaft heights 63 ... 355
170 Operating Instructions, 11/2023, A5E52779900A

Siemens SIMOTICS XP 1MB 1 Series Specifications

General

Brand	Siemens
Model	SIMOTICS XP 1MB 1 Series
Category	Industrial Equipment
Language	English