Wiring
5.8 Instructions specific to hazardous area
SITRANS LC300
Operating Instructions, 05/2021, A5E47904073-AA
23
For use in potentially explosive dust atmospheres:
The cable entry devices and the blanking elements of unused apertures shall be of a certified
type, suitable for the conditions of use and correctly installed.
The minimum ingress protection requirement of IP6X according to EN 60529 must be
satisfied.
Flameproof:
For use in potentially explosive gas atmospheres:
The cable entry devices and the blanking elements of unused apertures shall be of a certified
flameproof type, suitable for the conditions of use and correctly installed.
Versions with cable gland mounted by default:
The used cable gland is only suitable for fixed installations.
The installer is responsible for providing appropriate strain-relief to prevent pulling or
twisting.
Versions with blanking element mounted by default:
Blanking elements are not to be used with any form of adaptors or reducers.
Versions with cable gland / blanking element mounted by default
Below- mentioned diameters and tightening torques of the nut resp. blanking element shall
be observed for the installation.
Cable gland M20 X 1.5 (Dust ignition proof)
Cable diameter: 6 mm to 12 mm
Tightening torque: Depending on the used cable and therefore to be determined by the user
Cable gland M20 X 1.5 (Flameproof)
Cable diameter: Bedding 3.1 mm to 8.6 mm / Overall 6.1 mm to 13.1 mm
Tightening torque: Number of turns depending on the overall cable diameter of the used
cable (e.g., 1 turn / cable diameter 12.5 mm to 5.5 turns / cable diameter 6.5 mm)
Blanking element M20 X 1.5 (all versions)
Tightening torque: 32.5 Nm
To Next Page
Loading...
