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Ratio Electric SMART BOX Manual page 6

Dynamic charging + energy meter
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6
7.
Connect in-coming power to the left
terminal block.
Single Phase :
L1=Brown
N= Blue
Earth= Green/Yellow
3 Phase
L1=Brown
L2=Black
L3=Grey
N=Blue
Earth=Green/Yellow
8.
Connection Sensorbox
The Sensorbox should be placed where the Mains connection enters the
building. Usually just after the kWh meter, this way it will be able to
measure the total current per phase and send this information to the
Smart Box.
In order to measure the current, Current Transformers are used (type
SCT013-000, one for each phase). Clip them around the L1, L2 and L3
wires and plug the other end into the Sensorbox.
The data cable on the Sensorbox should be connected to terminals A
(white), B (yellow), +12V (brown) and GND (green).
NOTE: The data cable between Sensorbox and Smart Box is not
supplied. You can use a standard UTP cable or 4 x 0,25 mm
Connect the data cable in the charging station with the supplied 4 pole
connector. Master/Slave configuration: Connect the A, B and GND
connection from the Master to the Slave(s). So A connects to A, B goes
to B etc. Make sure that the +12V wire coming from the Sensorbox is
connected to the Master Smart Box only.
9.
Close bottom cover and carefully slide metallized cover over the
Charge Station.
IMPORTANT:
OUTLET VERSION - before closing outlet cover,
be sure the outlet is unlocked!
data cable.
2

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