User manual SEFELEC 5x Series  32   v1.06 
 
 PRECAUTIONS OF USE 
 
 
IMPORTANT 
In no circumstances must the measurement device switch or receive 
external electrical supplies which it is does not control with its own 
software. In these power supplies we include relay coils, chokes not fit-
ted with "free
-wheeling diodes" or non-discharged capacitors. 
 
 
 
IMPORTANT 
During measurement of the insulation on capacities > 100 µF, the instal-
lation of a discharge system able to guarantee the discharge of the ca-
pacity is mandatory.
 
-respect of this set point the measurement device may 
 
 
 
 
IMPORTANT 
To maintain the protection provided by the equipment, it is mandatory 
that all of the electrical circuits at very low voltage which are connected 
to it (USB output, Ethernet, CAN, etc.) have double or reinforced insula-
tion in 
relation to any circuit operating at a dangerous voltage. 
 
 
NOTE 
During the use of the devices of the SEFELEC 5x range, the non
-respect 
of the conditions of operation listed above (condition of the environ-
ment, mains supply and of use) release 
EATON from any warranty and 
any production following degradation of the device.