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RM640
4.5.2 Devices for hazardous locations
DANGER!
For electrical data for device operation in hazardous locations, refer to the related certificates of
compliance and supplementary instructions (ATEX, IECEx etc.). This documentation can be
downloaded from the website.
4.6 Ingress protection
INFORMATION!
The ingress protection of the device agrees with the conditions that are necessary for IP66 / IP68
(0.1 barg / 1.45 psig), as given in International Standard IEC 60529.
DANGER!
Make sure that the cable gland is watertight.
Figure 4-7: How to make the installation agree with protection category IP68
• Make sure that the gaskets are not damaged.
• Make sure that the electrical cables are not damaged.
• Make sure that the electrical cables agree with the national electrical code.
• The cables are in a loop in front of the device 1 so water does not go into the housing.
• Tighten the cable glands 2.
• Close unused cable glands with dummy plugs 3.
The diameter of the outer sheath of the electrical cable (for the power supply and current output)
must be 6...10 mm or 0.24...0.39¨.
34-VF-25-131 iss.1 GLO Feb 2019 US
ELECTRICAL CONNECTIONS
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