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Littelfuse fuse, JLLN, 400A, 300 VDC

Littelfuse fuse, JLLN, 400A, 300 VDC
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Littelfuse JLLN Series - UL Class T Fast-Acting Fuse.

Space saving POWR-TTM fuses are the most compact fuses available in ratings above 30 amperes - less than one-third the size of comparable Class R fuses. When rated in accordance with the NEC, POWR-T fuses provide fast-acting overload and short circuit protection for non-inductive circuits and equipment. Used in inductive circuits, the ampere rating of POWR-T fuses must be increased to prevent opening on inrush currents. In such instances, POWR-T fuses may provide only short circuit protection.

Applications

  • Protection of individual electric services and meters
  • Main switches containing Class T fuses may be used to provide compact protection for meter stacks
  • Molded case circuit breaker load centers and panelboards have increased interrupting ratings when "series rated" with Littelfuse Class T fuses. Refer to panelboard manufacturers' literature for UL Listed combination of fuses and panelboards

Safety

  • 200 000 A.I.R. - Reliable interruption of all overcurrents up to 200 000 amperes
  • Extremely current limiting - Stops damaging short circuit current faster than any mechanical protective device
  • Fast-Acting - Provides fast-acting overload protection to equipment such as variable speed drives, rectifiers and other equipment containing surge-sensitive components
TypeJLLN
Maximum Current [A]400
Maximum Voltage [VCC]300
Position1
CertificationsUL no. E81895