Ingress Protection - Siemens SITRANS FX330 Operating Instructions Manual

SITRANS FX330

4.6 Ingress protection

The signal converter in aluminium housing meets the requirements for IP66/67 in accordance
with EN 60529 both for the compact and for the remote version.
The signal converter in stainless steel housing meets the requirements for IP66, IP68, IP69K
both for the compact and for the remote version.
CAUTION!
After all servicing and maintenance work on the measuring device, the specified ingress
protection category must be ensured again.
Figure 4-11: Cable gland
Therefore it is essential to observe the following points:
• Use only original gaskets. They must be clean and free of any damage. Defective gaskets must
be replaced.
• The electrical cables used must be undamaged and must comply with regulations.
• The cables must be laid with a loop ① upstream of the measuring device to prevent water
from getting into the housing.
• The cable glands ② must be tightened. Note that the clamping range of the cable gland
corresponds to the outer diameter of the cable.
• Align the measuring device so that the cable gland is never facing up ③ .
• Close any unused cable glands using blind plugs ④ suitable for the protection category.
• Do not remove the required cable bushing from the cable glands.
08/2022 - A5E36751269-AG EN
ELECTRICAL CONNECTIONS
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