Installation
13
• NOCH0xxx-6x filters cool by natural convection, thus the following free space
requirements apply:
Enclosed (IP22 and IP54) filter units:
300 mm on each free side. Exception: 500 mm above the filter if installed below
the drive.
Non-enclosed (IP00) filter units:
300 mm on each free side. Exception: 50 mm between single phase filters
connected to the same drive. Exception: 500 mm above the filter if installed
below the drive.
• Busbar and enclosure clearance distances from the input and output terminals
and coil surfaces must be at least 15 mm (0.59 in.). Pay attention to the local
regulations. Note: Due to high temperature of the coil surfaces during operation,
route the motor cables at least 50 mm (1.97 in.) away from the coil surfaces and
secure them appropriately.
Mechanical installation and tightening torques
1. Lift the filter by the lifting holes to the installation position.
2. Fasten the filter with four screws at the fastening points in the mounting legs.
See chapter Dimension drawings for the dimensions.
Tightening torque
The following table applies to grade 8.8 screws with or without joint compound.
Screw Torque
[Nm] [lbf ft]
M5 3.5 2.6
M6 9 6.6
M8 20 14.8
M10 40 29.5
M12 70 51.6
M16 180 132.8
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