Mettler Toledo WXS Guide De L'utilisateur page 5

Safety notes
CAUTION
Risk of electric shock
The weigh modules may only be connected to DC power sources that meet the 12VDC +/-3% at
all times.
The power supply must be approved by the respective national test center of the country in which
the weigh module will be used.
Weigh Modules Safety Information​ ​ 5