20
The relations among of the allowable current, and length, section of the insulating cable (single
core, multi-core) are as follows:
(Presume that the use voltage is 220V and the potential is below 10V).
The application of the single-core insulating cable mm
2
Length
Current
Below
50m
75m 100m 125m 150m 200m
50A 8 14 22 22 30 38
100A 22 30 38 50 50 60
200A 60 60 60 80 100 125
300A 100 100 100 125 150 200
The application of the multi-core insulating cable mm
2
Length
Current
Below
50m
75m 100m 125m 150m 200m
50A 14 14 22 22 30 38
100A 38 38 38 50 50 60
200A 38×2 38×2 38×2 50×2 50×2 50×2
300A 60×2 60×2 60×2 60×2 80×2 100×2
【Attended operation】
Use rubber elasticity cable.
Limit length of electric line when using the extension line or distribution network is: less than 60m
for cables of 1.5mm
2
, and less than 100m for cables of 2.5mm
2
.