IDSR Series - UL Class RK5 Dual-Element Time Delay Fuses With Indication

IDSR Fuses
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The Littelfuse IDSR Indicator™ fuse is the first indicating power fuse ever. Its solid-state design provides state-of-the-art reliability; it will forever change the way you look at modern circuit protection.

Money is wasted each time a circuit opens and halts production. Thousands of dollars can be lost with every minute spent testing to discover the cause.

The Littelfuse IDSR Indicator™ fuse offers you a better way. Just a simple glance a the IDSR Indicator’s window tells which circuit is open. The circuit can be tested and any problem corrected without unnecessary delay. No time wasted finding the faulted circuit. No system damage. And no costly down time.

Applications:
  • All general-purpose circuits
  • Motors
  • Transformers
  • Solenoids
  • Fluorescent lighting
  • All system components with high inrush currents
Features:
  • Patented design fuses — The first totally new dual-element time-delay Class RK5 fuses in 10 years. They look different because they are different! Even the Littelfuse SLO-BLO® fuse, the fuse that set new standards for dual-element fuses when it was introduced in 1984, cannot match the performance of POWR-PRO® Indicator™ fuses.
  • Pinpoint open fuses immediately — A glance at the window tells if the fuse has blown. If the window is dark, the fuse has opened. It’s that simple. No fuse testing required.
  • Reduce down-time — Machine operators can immediately determine that there is an open fuse and request maintenance personnel to bring the correct replacement.
  • Superior time delay — POWR-PRO® Indicator™ fuses provide superior time delay to override current surges without sacrificing protection for sustained overloads. This superior time delay is achieved by a remarkable advance in the science of fuse design. Littelfuse-patented leading edge metallurgy eliminates all moving parts in a true dual-element fuse.

Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)VAC (V)VDC (V)Interrupting RatingOpeningSizeStockSamplesCompare
IDSR.1000.160060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR.1500.1560060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR.2000.260060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR.2500.2560060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR.3000.360060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR.4000.460060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR.5000.560060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR.6000.660060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR.8000.860060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR001160060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR01.41.460060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR01.51.560060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR01.61.660060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR01.81.860060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR1.121.12560060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR1.251.2560060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR002260060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR02.52.560060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR02.82.860060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR2.252.2560060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR003360060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR03.23.260060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR03.53.560060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR004460060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR04.54.560060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR005560060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR05.65.660060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR006660060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR6.256.2560060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR007760060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR07.57.560060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR008860060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR009960060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR0101060060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR0121260060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR0151560060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR17.517.560060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR0202060060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR0252560060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR0303060060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR0353560060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR0404060060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR0454560060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR0505060060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR0606060060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayIndustrial CartridgeCheckOrder
IDSR0707060060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
IDSR0757560060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
IDSR0808060060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
IDSR0909060060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
IDSR10010060060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
IDSR11011060060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
IDSR12512560060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
IDSR15015060060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
IDSR17517560060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
IDSR20020060060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
IDSR22522560060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
IDSR25025060060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
IDSR30030060060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
IDSR35035060060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
IDSR40040060060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
IDSR45045060060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
IDSR50050060060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder
IDSR60060060060020000A@600VDCSlo-Blo/Time Lag (T)/Time DelayKnife-BladeCheckOrder

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