3
ELECTRICAL CONNECTIONS
18
OPTIWAVE X400
www.krohne.com
10/2017 - 4006413501 - AD NEPSI OPTIWAVE x400 R01 en
3.1 General notes
3.2 Terminal compartment
3.2.1 How to open the terminal compartment
WARNING!
•
De-energize the circuit.
•
Do not wire the device in a potentially explosive atmosphere.
•
Use the applicable cable glands for the cable entry openings in the housing (M20×1.5 or
½
NPT). For the cable entry size, refer to the device nameplate.
•
Ex d-approved devices:
Ex d-approved devices:
Ex d-approved devices:
Ex d-approved devices: Use heat-resistant cables and cable glands certified for continuous
operation above +90
°
C / +194
°
F.
WARNING!
•
Do not blow dust with compressed air if it collects on the housing. Clean the device with a
damp cloth before you remove the terminal compartment cover.
•
Make sure that no dust goes into the electrical compartment after you open the cover.
Figure 3-1: How to open the terminal compartment cover
