8
ELECTRICAL INSTALLATION
• Electrical connection: check the colours on the motor rating plate and refer to the schemes
at the end of this manual if necessary.
• Fuses and overload protections are recommended in order to keep the motor safe. For
further information, please contact Sumoto Technical Department.
• An high sensitivity circuit breaker device is recommended.
• Single phase version: please use the control panel provided by Sumoto or choose a panel
according to Sumoto specification in order to let the motor work properly.
Motor has to be earthed according to local regulation
POWER CABLE
The cable has to be suitable for submersible applications. The following table shows the
maximum cable lengths (expressed in m) as function of the cross section. These dimensions
are valid for a tension drop of the 3% at a room temperature of 30 °C.
EN
MOTOR
Hp
kW
DROP CABLE SECTION (mm²)
4x1
4x1.5 4x2.5
4x4
4x6
4x10
4x16
SI
NG
LE P
HA
SE
V2
30
/50
H
z
V2
20/
60
Hz
OP4 050
0,50
0,37
50
75
125
OP4 075
0,75
0,55
38
57
95
152
OP4 100
1,00
0,75
30
45
75
120
174
OP4 150
1,50
1,10
22
33
53
85
127
210
OP4 200
2,00
1,50
23
38
63
92
154
246
OP4 300
3,00
2,20
28
45
67
112
180
TH
RE
E P
HA
SE
40
0V/
50
Hz
38
0V
/60H
z
OP4 050
0,50
0,37
240
OP4 075
0,75
0,55
164
246
OP4 100
1,00
0,75
133
200
333
OP4 150
1,50
1,10
97
146
244
390
OP4 200
2,00
1,50
72
109
180
290
435
OP4 300
3,00
2,20
51
78
130
207
310
516
OP4 400
4,00
3,00
41
62
104
167
250
416
OP4 550
5,50
4,00
31
46
77
124
186
310
496
OP4 750
7,50
5,50
33
56
90
135
225
360
OP4 1000
10,00
7,50
66
100
165
270
TH
RE
E P
HA
SE
22
0V
/60H
z
OP4 050
0,50
0,37
90
135
OP4 075
0,75
0,55
60
90
150
240
OP4 100
1,00
0,75
47
71
118
190
OP4 150
1,50
1,10
35
52
87
140
210
OP4 200
2,00
1,50
26
40
66
106
160
266
OP4 300
3,00
2,20
29
48
76
115
191
306
OP4 400
4,00
3,00
37
60
90
150
240
OP4 550
5,50
4,00
27
44
66
110
176
OP4 750
7,50
5,50
32
48
80
128
OP4 1000
10,00
7,50
35
58
96
Summary of Contents for OP4 050
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