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Wire/Cable calculation
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Transformer calculation
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Pinout
Current carrying capacity of busbar
Shape
*
Flat bar
Round
Squre
Width/Diameter
*
mm
cm
in
Thickness
*
mm
cm
in
Conductor
*
Copper
Aluminum
Current type
*
Direct current
Alternating
Bus bars in parallel
*
1
2
3
4
5
6
7
Ambient temperature
*
20°C｜68°F
25°C｜77°F
30°C｜86°F
35°C｜95°F
40°C｜104°F
45°C｜113°F
50°C｜122°F
55°C｜131°F
60°C｜140°F
65°C｜149°F
70°C｜158°F
75°C｜167°F
80°C｜176°F
85°C｜185°F
90°C｜194°F
95°C｜203°F
100°C｜212°F
Excess-temperature over a room
*
30°C｜86°F
35°C｜95°F
40°C｜104°F
45°C｜113°F
50°C｜122°F
Ventilation
*
Internal-Still but non limited air
Internal-Limited still air
External-Normal ventilation
Position
*
Vertical
Horizontal
Surface state
*
Unrefinided
Dark pained
Calculate
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