2.2.4. CONNECTING THE MA130
Proceed as for the MA110:
Connect the output leads to a measuring instrument.
Put the electronic unit into operation by turning the switch to some position. The green On indicator
starts blinking.
Open the 3 sensors and place them on the 3 phases.
L3
L2
L1
Set the switch on the electronic unit to the range providing the best sensitivity and check that the red
OL indicator is off (saturation of the electronics entailing a measurement error).
Read the measurement on the display device and apply the reading coefficient indicated on the label
on the electronic unit corresponding to the setting of the switch.
30 A~ range
300 A~ range
3000 A~ range
2.2.5. DISCONNECTING THE MA130
Withdraw the 3 sensors from the 3 conductors, set the switch to OFF, and disconnect the electronic unit
from the display device.
30 A
300 A
3000 A
OFF
100 mV~/A~
10 mV~/A~
1 mV~/A~
31
On