Electrical connections, 3 protection category – KROHNE OPTIFLEX 1100C EN User Manual
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ELECTRICAL CONNECTIONS
4
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OPTIFLEX 1100 C
www.krohne.com
01/2012 - 4001721801 - HB OPTIFLEX 1100 R01 en
• Attach the cover.
• Turn the cover clockwise.
4.3 Protection category
• 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 feedthroughs 2.
• Close unused cable feedthroughs with dummy plugs 3.
Figure 4-5: How to close the terminal compartment cover
INFORMATION!
The device fulfills all requirements per protection category IP 66/67 (equivalent to NEMA type 4X
(housing) and type 6P (probe)).
DANGER!
Make sure that the cable gland is watertight.
Figure 4-6: How to make the installation agree with protection category IP 67