Ecolab Versatronic Manuel D'utilisation page 322

Electrical connection
7.2 Insert the cable and connect
7.2.1 Open the device terminal compartment
Fig. 10: Open the device terminal compartment
Procedure
1. Loosen the screws of the terminal compartment cover.
2. Remove the terminal compartment cover.
After completion of all work in the terminal compartment, it is essential to
replace the terminal compartment cover.
All 6 screws must be tightened to a torque of 1 Nm. Otherwise the
protection class IP67 expires.
When open, the device has protection class IP20.
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