SIEMENS
11/11
Siemens MD 50.1 · 2015
Motor options
Mechanical design
Motor connection and terminal boxes
11
■
Connection, circuit and terminal boxes
(continued)
Terminal box assignment
Motor connection
Δ
/Y
Fig. 11/11
Connection circuit diagram, motor connection
Δ
/Y
Motor size
Terminals
Auxiliary terminals
Number
Contact screw
thread
Max.
connectable conductor
Cable entry
Number
Max.
connectable
conductor
mm
2
metric
NPT
mm
2
63
6
(9 for YY/Y motor
connection)
M4
1.5 (2.5 with cable lug)
1 x M25 x 1.5 +
1 x M20 x 1.5
2 x 1/2"
8
2.5
71
80
90S/L
100L
4
2 x M32 x 1.5
3/4" + 1/2"
10
112M
132S/M
6
160M/L
M5
16
2 x M40 x 1.5
1 1/4" + 1/2"
180M/L
M6
25
1 1/2" + 1/2"
200L
2 x M50 x 1.5
225S/M
M8
35
M10
120
2 x M63 x 1.5
250M
2 1/2" + 1/2"
M12
240
G_D087_EN_00045
T1 = U1
T2 = V2
T3 = W1
T4 = U2
T5 = V2
T6 = W2
T1 = U
T2 = V
T3 = W
T1 = U
T2 = V
T3 = W
U
V
W
PE
3
M
U
V
W
PE
3
M
U2
V2
W2
PE
U1
V1
W1
3
M
U
L3
L2
L1
PE
[U2,V2,W2]
V
W
U
L3
L2
L1
PE
[U2,V1];
[V2,W1]
[U1,W2];
V
W
-M
U1
W1
V1
W2
U2
V2
-M
U
W
V
-M
U
W
V
U2
W2
V2
U1
W1
V1
1
2
3
5
4
$
Motor connection
%
Circuit diagram symbols
&
Winding arrangement in the motor
(
Comparison:
Terminal designation acc. to NEMA MG1/acc. to IEC 60034-8
)
Location of the jumpers on the terminal board and juxtaposition
of the line connection with the motor connection
© Siemens AG 2015