" LIT " JLS-300 LITTELFUSE-LITTLEFUSE FUSE COMPANY PRODUCTS

300-AMP 600-VOLT FAST ACTING CLASS-J FUSE

• Applications:
  • General purpose circuits with little or no motor load.
  • Resistive loads, such as resistance electric heat.
  • Loads requiring fast-acting overload protection, such as equipment containing solid-state devices.
• Space Saving:
  • JLS fuse characteristics are similar to KLNR/KLSR fast-acting Class RK1, but they are much smaller.
• 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 protection to equipment such as variable speed drives, rectifiers and other equipment containing surge-sensitive components.
• Longer Equipment Life:
  • Current-limiting design reduces damage to equipment caused by heating and magnetic effects of short-circuit currents.
• Economical:
  • Extremely current-limiting design often permits use of readily available, less costly equipment.
  • Manufacturers of equipment containing dual voltage devices can simply manufacturing and reduce inventory by standardizing on 600 volt JLS fuses and Class J fuse blocks for all AC voltage ratings.
• Easy to Use:
  • 200,000 A.I.R. rating minimizes need for short-circuit calculations.