
Chapter 4 Electrical Installation
Shenzhen Hpmont Technology Co., Ltd.
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16
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HD31 Series User Manual V1.1
Table 4-2 HD31 I/O wiring specification
Model
MCCB
Contactor
Power Cable
Motor Cable
Ground Cable
Size
(A)
(A)
(mm
2
)
(mm
2
)
(mm
2
)
HD31-4T2P2P 16
10
1.5
0.75
2.5
F2
HD31-4T3P7P
16 10 2.5 1.5 2.5 F2
HD31-4T5P5P
25 16 2.5 2.5 2.5 F2
HD31-4T7P5P
32
25
4 4 4 F2
HD31-4T011P
40
32
6 6 6 F3
HD31-4T015P
63 40 10 10 10 F3
HD31-4T018P
63 40 10 10 10 F4
HD31-4T022P
100
63 16 16 16 F4
HD31-4T030P
100
63 25 25 16 F5
HD31-4T037P
125
100
35 35 16 F5
HD31-4T045P
160
100
35 35 16 F6
HD31-4T055P
200
125
35 35 16 F6
HD31-4T075P
200
125
50 50 25 F6
HD31-4T090P
250
160
95 70 50 F7
HD31-4T110P
250 160 120 120 50
F7
HD31-4T132P
350 350 120 120 50
F7
4.2.2
Power terminal lug
Select the lug of power terminal according to the size of terminal, screw size and max. outer diameter
of lug. Refer to Table 4-3.
Take the round terminal as an example.
Table 4-3 Selection of power terminal lug
Size
Screw size
Tightening torque (N. M)
Max. outer diameter of lug d (mm)
F2
M4
1.2 - 1.5
9.9
F3
M5
2.5 - 3.0
12
F4
M5
2.5 - 3.0
12
F5
M6
4.0 - 5.0
15.5
F6
M8
9.0 - 10.0
24
F7 M10
17.6
-
22.5
30
4.3
Main Circuit Terminals and Wiring
•
The bare portions of the power cables must be bound with insulation tapes.
d
Danger