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Electrical cable size according to load

Release time:2017-07-11 17:07 hit:


electrical cable
The current carrying capacity of cable is cable line through current amperage when transmission power, in stable condition, when the cable conductor up to allowing the working temperature, this current carrying capacity is called the cable ampacity ampacity for long time.
 
Different specifications of the wire and cable load:
 
1.5 mm2 = 2970 W
1.5 mm2 wire * 980 = 2970w = 220V *13.5A (not more 16A)
 
2.5 mm2 = 4950W
2.5 mm2 wire *980 = 4950w = 220V * 22.5A (16A-25A)
 
4.0 mm2 = 7920W
4.0 mm2 *980 = 7920 W = 220V * 36A (25A-32A)
 
6.0 mm2 = 11880W
6.0 mm2 wire *980 = 11880W (32A-40A)
 
10 mm2 * 1980 = 19800W
 
16 mm2 *1980 = 31680W
 
GB 4706.1-1992/1998 wire and cable load value:
 
Copper conductor cable:
1.5 mm2 copper core allowing current: 16A
2.5 mm2 copper core allowing current: 16A - 25A
4 mm2 copper core allowing current: 25A - 32A
6 mm2 copper core allowing current: 32A - 40A

Aluminium conductor cable:
1.5 mm2 Aluminium core allowing current: 13A
2.5 mm2 Aluminium core allowing current: 13A - 20A
4 mm2 Aluminium core allowing current: 20A - 25A
6 mm2 Aluminium core allowing current: 25A - 32A


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