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Recommended Fuses for Reducing Arc Flash Energy
Typically, the fuses we recommend for arc flash energy reduction are UL Listed branch circuit fuses with the highest degree of current limitation. The fuses shown here have had excellent results in laboratory tests, limiting arc flash incident energies to very low values for arc fault currents within their current-limiting range.
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Amp-Trap 2000® A4BQ Class L Fuse
Designed for applications greater than 600 amperes, A4BQ offers an interrupting rating of 300 kA and a unique design that delivers excellent performance in arc flash situations.
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Amp-Trap 2000® AJT Class J Fuse
The ideal choice for new applications of 600 amperes and less, AJT offers excellent current-limiting performance for short circuits and time delay for overloads. The unique Class J dimensions prevent improper substitutions.
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Amp-Trap 2000® A6D Class RK1 Fuse
The ideal choice for upgrading existing applications of 600 amperes and less, the A6D offers excellent current-limiting performance for short circuits and time delay for overloads. Its dimensions allow for simple upgrades of existing Class H, Class K and Class RK5 fuses.
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To see how well these fuses limit incident energy, use our calculator. To discuss how Ferraz Shawmut fuses can help reduce arc flash hazards in your facility, email us or call our Technical Services department.
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