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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.
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.
MOTOR
Motor has to be earthed according to local regulation
Hp
OP4 050
0,50
OP4 075
0,75
OP4 100
1,00
OP4 150
1,50
OP4 200
2,00
OP4 300
3,00
OP4 050
0,50
OP4 075
0,75
OP4 100
1,00
OP4 150
1,50
OP4 200
2,00
OP4 300
3,00
OP4 400
4,00
OP4 550
5,50
OP4 750
7,50
OP4 1000
10,00
OP4 050
0,50
OP4 075
0,75
OP4 100
1,00
OP4 150
1,50
OP4 200
2,00
OP4 300
3,00
OP4 400
4,00
OP4 550
5,50
OP4 750
7,50
OP4 1000
10,00
DROP CABLE SECTION (mm²)
kW
4x1
4x1.5
4x2.5
0,37
50
75
0,55
38
57
0,75
30
45
1,10
22
33
1,50
23
2,20
0,37
240
0,55
164
246
0,75
133
200
1,10
97
146
1,50
72
109
2,20
51
78
3,00
41
62
4,00
31
46
5,50
33
7,50
0,37
90
135
0,55
60
90
0,75
47
71
1,10
35
52
1,50
26
40
2,20
29
3,00
4,00
5,50
7,50
8
4x4
4x6
4x10
125
95
152
75
120
174
53
85
127
210
38
63
92
154
28
45
67
112
333
244
390
180
290
435
130
207
310
516
104
167
250
416
77
124
186
310
56
90
135
225
66
100
165
150
240
118
190
87
140
210
66
106
160
266
48
76
115
191
37
60
90
150
27
44
66
110
32
48
80
35
58
4x16
246
180
496
360
270
306
240
176
128
96
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