ELECTRICAL CONNECTIONS
3
15
MS15 - MS40 SERIES
www.krohne.com
06/2020 - 4007717401 - AD ATEX MS15-MS40 R01 en
3.1 General notes
3.2 Terminal compartment for the MS15 series limit switch
3.2.1 How to open the terminal compartment
Equipment needed
•
1.5 mm Allen wrench (not supplied)
1
Loosen the lock screw with a 1.5 mm Allen wrench. Turn the lock screw 360 degrees counter-
clockwise.
2
Turn the cover counterclockwise.
3
Remove the cover.
For more data about the procedure, refer to the handbook.
WARNING!
All limit switches
•
De-energize the circuit when you do work on the device.
•
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.
WARNING!
MS15 series limit switch
•
The cable gland is supplied on customer demand. We recommend that you use a part that has
a degree of ingress protection IP
≥
68. Make sure that the cable gland is sealed.
•
Use the applicable cable gland for the cable entry opening 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: If the cable gland is not supplied, use a cable gland that has an
EU-Type Examination Certificate and is approved for type of protection "d". For more data
about service temperature of the electrical cable and the cable gland, refer to Ambient and
service temperatures on page 8
.
Figure 3-1: How to open the terminal compartment cover
