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Electrical connections
8.3.5 Electric cable sizes
8.3.5.1 Standard Units
Size 2.1 3.1 4.1 5.1 6.1 7.1 8.1
FLA (A) 12,0 13,5 16,0 17,5 25 26,5 28,0
Cable cross-
section (mm
2
)
(2+PE) x 4 (2+PE) x 6 (2+PE) x 10
Size 6.1 3~ 7.1 3~ 8.1 3~
FLA (A) 8,5 9,0 9,5
Cable cross-
section (mm
2
)
(4+PE) x 2.5
Cable dimensions with electrical resistance (optional)
Resistance Power supply
Maximum
circuit current
(A)
Cable
cross-
section
(mm
2
)
3 kW 220-240 V~ 50 Hz 13
(2+GND)
x 4
9 kW 380-415 V 3 N~50 Hz 15
(3+GND)
x 4
Tightening torques
Tightening torque (N•m)
M4 (power terminal, electric
control board terminal)
from 1.2 to 1.4
M4 (earthed) from 1.2 to 1.4
The values given are maximum values. Refer to the
electrical data for the exact values.
For the sizing values of the external protections, refer to
the rated electrical data (bulletin, labels).
The earth leakage breaker must be a 30 mA (<0.1 s) fast
tripping type.
Connection procedure:
► connect the cables to the appropriate terminals as shown
in the diagram
► secure the cables with cable clamps.
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