FLSR Series - UL Class RK5 Dual-Element Time-Delay Fuses

FLNR

Littelfuse FLSR series fuses have been the superior UL Class RK5 dual-element time-delay fuses, and are the most widely used class of fuses. FLSR series fuses provide excellent protection for all types of circuits especially those containing motors. However, users and specifiers should consider the significant benefits offered by Indicator fuses.

Applications:

  • Service entrance switches
  • Transformers
  • Switchboard main and feeder switches
  • Motor control center mains and motor branch circuits
  • Individual fused combination motor controllers
  • Distribution panelboards
  • Industrial control panels
  • Protection of fully-rated panelboards and loadcenters
  • All general purpose circuits

Safety:

  • 200,000 A.I.R.- Reliable interruption of all overcurrents up to 200,000 amperes.
  • Faster acting short circuit protection than any non-current limiting mechanical protective device.

Reliability:

  • Accurate and reliable - Automated, precision manufactured and assembled parts ensure accurate, consistent response to overloads and short circuits.

Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)VAC (V)VDC (V)Interrupting RatingOpeningSizeStockSamplesCompare
FLSR.1000.160030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR.1500.1560030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR.2000.260030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR.2500.2560030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR.3000.360030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR.4000.460030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR.5000.560030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR.6000.660030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR.8000.860030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR001160030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR01.41.460030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR01.51.560030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR01.61.660030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR01.81.860030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR1.121.12560030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR1.251.2560030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR002260030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR02.52.560030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR02.82.8600300Slo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR2.252.2560030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR003360030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR03.23.260030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR03.53.560030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR004460030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR04.54.560030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR005560030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR05.65.660030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR006660030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR6.256.2560030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR007760030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR07.57.560030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR008860030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR009960030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR0101060030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR0121260030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR0151560030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR17.517.560030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR0202060030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR0252560030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR0303060030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR0353560030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR0404060030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR0454560030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR0505060030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR0606060030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
FLSR0707060030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
FLSR070P70600Slo-Blo/Time Lag (T)/Time DelayKnife-Blade
FLSR0757560030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
FLSR075P75600Slo-Blo/Time Lag (T)/Time DelayKnife-Blade
FLSR0808060030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
FLSR080P80600Slo-Blo/Time Lag (T)/Time DelayKnife-Blade
FLSR0909060030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
FLSR090P90600Slo-Blo/Time Lag (T)/Time DelayKnife-Blade
FLSR10010060030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
FLSR100P100600Slo-Blo/Time Lag (T)/Time DelayKnife-Blade
FLSR11011060030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
FLSR110P110600Slo-Blo/Time Lag (T)/Time DelayKnife-Blade
FLSR12512560030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
FLSR125P125600Slo-Blo/Time Lag (T)/Time DelayKnife-Blade
FLSR15015060030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
FLSR150P150600Slo-Blo/Time Lag (T)/Time DelayKnife-Blade
FLSR17517560030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
FLSR175P175600Slo-Blo/Time Lag (T)/Time DelayKnife-Blade
FLSR20020060030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
FLSR200P200600Slo-Blo/Time Lag (T)/Time DelayKnife-Blade
FLSR22522560030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
FLSR225P225600Slo-Blo/Time Lag (T)/Time DelayKnife-Blade
FLSR25025060030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
FLSR250P250600Slo-Blo/Time Lag (T)/Time DelayKnife-Blade
FLSR30030060030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
FLSR300P300600Slo-Blo/Time Lag (T)/Time DelayKnife-Blade
FLSR35035060030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
FLSR350P350600Slo-Blo/Time Lag (T)/Time DelayKnife-Blade
FLSR40040060030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
FLSR400P400600Slo-Blo/Time Lag (T)/Time DelayKnife-Blade
FLSR45045060030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
FLSR450P450600Slo-Blo/Time Lag (T)/Time DelayKnife-Blade
FLSR50050060030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
FLSR500P500600Slo-Blo/Time Lag (T)/Time DelayKnife-Blade
FLSR60060060030020000A@300VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
FLSR600P600600Slo-Blo/Time Lag (T)/Time DelayKnife-Blade

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