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Busbar Ampacity Table 1

Busbar Design Table 2

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Busbar Emissivity Considerations

Table 3 - Effects of Emissivity and Number of Busses on Ampacity

Number of 1/4
x 4" Busses*

Ampacity, Amp
30 °C Rise 50 °C Rise

65 °C Rise

Emissivity

Emissivity

Emissivity

0.15 0.40 0.70 0.90 0.15 0.40 0.70 0.90 0.15 0.40 0.70 0.90
                         
1 1100 1250 1400 1600 1500 1700 1900 2000 1700 1950 2200 2300
                         
2 1900 2050 2200 2300 2550 2750 2950 3100 2950 3200 3400 3600
                         
3 2500 2700 2850 3000 3400 3600 3850 4000 3950 4200 4500 4600
                         
4 3100 3300 3450 3600 4200 4400 4700 4800 4900 5100 5400 5600


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For wholesale and volume copper metal product purchases Call Michelle Hurt at 1-866-716-9773.

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DUNS: 62-393-3397

NAICS: 332116
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C o n t a c t :
Sheila Stone
OEM Sales Manager
240 Industrial Park Lane,
Decatur, TN 37322
1-800-394-4804
FAX 423-334-3389

email: busbar@stormcopper.com

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