Description
Technical Specifications
According to standard industrial fusing tables (such as IS:9926), the performance of a single strand of 12 SWG tinned copper wire is as follows:
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Approx. Fusing Current: ~200 Amps to 235 Amps. This is the peak current at which the wire will melt and disconnect the circuit.
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Safe Continuous Load: ~80 Amps to 100 Amps. In most industrial applications, it is rated to carry roughly 100A safely without excessive heating.
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Material: High-purity copper with a tin coating to prevent oxidation and ensure reliable electrical contact even in humid or corrosive environments.
Key Applications
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Industrial Fuse Links: Used in large “Kit-Kat” type porcelain fuse carriers for factory machinery and main intake boards.
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Earthing/Grounding: Provides a low-resistance path for fault currents in medium-voltage equipment.
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Busbar Bridging: Often used as a flexible bridge in custom power distribution frames.
Comparison: 10 SWG vs. 12 SWG
If you are deciding between 10 SWG and 12 SWG for a specific protection requirement, note the difference in capacity:
| Wire Gauge | Diameter | Fusing Current | Safe Continuous Load |
| 10 SWG | 3.25 mm | ~250 Amps | ~125 Amps |
| 12 SWG | 2.64 mm | ~200 Amps | ~100 Amps |
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