cONNecTION OF THe POWer UNIT
4.2.1.1 Terminal block X1A
Name
Function
L1
Mains connection
L2
3-phase
L3
++
DC terminals
- -
Connection for brak-
R
ing resistor (between
R and ++)
U
V
Motor connection
W
Figure 18:
Terminal block X1A
cross-section for terminal connection
Flexible line with wire-end ferrule with
plastic collars 2.5...10 mm²
For 2 conductors 0.5mm...1.5mm²
For UL flexible line without wire-end
ferrule AWG 26...6
Terminal R can alternatively be labeled with PB.
Tightening
Max. number
torque
of conductors
For IEC: 2
1.5 Nm
13 Ib inch
For UL: 1
63