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MIW-STR-3-EN-000 - 24 / 10 / 2018
6 - 8
5.
Because the controller enclosure is made of metal, it must be earthed and bonded
to other existing metal surfaces.
Fig. 1 Mounting dimensions
Fig. 2 Mounting position
A
C
B
E
D
Article code
A
[mm]
B
[mm]
C
[mm]
D
[mm]
E
[mm]
STR-3-35L10
300
325
185
255
255
STR-3-50L10
300
325
185
255
255
STR-3-75L10
300
425
185
255
255
STR-3100L10
300
425
185
255
355
STR-3130L10
300
423
235
255
355
Correct
Incorrect
50 mm
50 mm
75 mm
50 mm
1
3
2
4
6.
Insert the cables through the cable glands and do the wiring according to the
wiring diagram (see
Fig. 3
) while adhering to the information from section
“Wiring and connections”
above.
6.1
Connect the power supply lines (terminals R, S, T and PE);
6.2
Connect the motor(s) (terminals U, V, W and PE) ;
6.3
If applicable, connect the unregulated output (L1 and N). It can be used
to supply a 230 VAC valve, lamp, etc. when the knob is not at ‘0’ position
(see
Table 1
below).
ATTENTION
A safety isolator/disconnect switch should be installed on the mains electricity
side of all motor drives.
The earth wire (green-yellow) of the electrical supply and of any equipment
connected to the controller must be connected to the terminals marked as PE.
Fig. 3 Wiring and connections
STR-3-35L10, STR-3-50L10, STR-3-75L10
R
S
T
N L1 U
V
W
3 x 230 VAC 230 VAC
*
STR-3100L10, STR-3130L10
Pe R
S
T Pe N L1 Pe U
V
W
3 x 230 VAC 230 VAC
*
* Do not connect N from the power supply network
.
ATTENTION
STANDARD 3-PHASE 230 VAC
TRANSFORMER CONTROLLER
STR-3