Mounting - OBO Bettermann MKS 310 FS Mounting Instructions

Mounting

5
20 | EN
Mounting
The mounting of the support systems for the cable tray systems takes
place according to the local circumstances and the planned loads. The
mounting of the different support systems is shown in special mounting
instructions, see "1.6 Applicable documents" on page 6.
The mounting drawings of the screw-on cable tray systems show either
perforated or unperforated cable trays. All the connectors, fittings and
accessories shown can be mounted on both perforated and unperforated
cable trays. If unperforated cable trays are cut, then the connector
perforation must be re-drilled.
When mounting the FRS truss-head bolts and SKS hinge screws made
of steel or stainless steel from OBO Bettermann, the following tightening
torque must be applied:
Thread
M6
M8
Tab 12: Torques for steel screws from OBO Bettermann
Thread
M6
M8
Tab 13: Torques for stainless steel screws from OBO Bettermann
Tightness class 5 6
4.80 Nm
11.60 Nm
Resistance grade 70
Friction coefficient 0.14
9.70 Nm
23.60 Nm
Tightness class 8 8
11.30 Nm
27.30 Nm
Resistance grade 80
Friction coefficient 0.14
12.90 Nm
31.50 Nm
OBO Bettermann