Mechanical and Electrical Installation VD500 Series Inverter User Manual
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Note: the data in the table in only two conductors using the same
metal case is correct, if not so, protective conductor cross-sectional
area should be through the method of conductivity coefficient
equivalent using the determined.
Table 3-2 The recommended fuse capacity and copper core insulation wire section
Inlet Wire
Protector
Inlet Wire
Protector
Inlet Wire
Protector
Power
Fuse(A)
Power
Fuse(A)
Power
Fuse(A)
7.5kW
20
75kW
200
280kW
800
11kW
32
90kW
250
315kW
1000
15kW
35
110kW
315
355kW
1000
18.5kW
50
132kW
400
400kW
1250
22kW
63
160kW
450
450kW
1500
30kW
80
185kW
560
500kW
1800
37kW
100
200kW
560
560kW
2000
45kW
125
220kW
630
55kW
160
250kW
800
Table 3-3 Conductor cross-sectional area
Conductor cross-section area S(mm2)
The smallest conductor cross-section area Sp
(mm2)
S≤16
S
16
<
S≤35
16
35
<
S
S/2
3.4.2 Guide to the External Electrical Parts
Table 3-4 Selection table of circuit breaker, contactor, wire
Model No
Circuit
Breaker
(A)
Recommended
Contactor (A)
Recommended
Wire of Input
side main loop
(mm2)
Recommended
wire of output
side main loop
(mm2)
Recommend
ed wire of
control loop
(mm2)
Single-phase 220V 50/60Hz
VD500-2S-0.7GB
16
10
2.5
2.5
1.0
VD500-2S-1.5GB
20
16
4
2.5
1.0
VD500-2S-2.2GB
32
25
4
4
1.0
VD500-2S-3.7GB
40
32
6
6
1.0
VD500-2S-5.5GB
63
40
6
6
1.0
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