IDSR040 Littelfuse IDSR Series - UL Class RK5 Dual-Element Time Delay Fuses with Indication Low Voltage Fuse 600V 40A Fuse - Essential Electric Supply
IDSR040 Littelfuse IDSR Series - UL Class RK5 Dual-Element Time Delay Fuses with Indication Low Voltage Fuse 600V 40A Fuse - Essential Electric Supply
IDSR040 Littelfuse IDSR Series - UL Class RK5 Dual-Element Time Delay Fuses with Indication Low Voltage Fuse 600V 40A Fuse - Essential Electric Supply
IDSR040 Littelfuse IDSR Series - UL Class RK5 Dual-Element Time Delay Fuses with Indication Low Voltage Fuse 600V 40A Fuse - Essential Electric Supply
Littelfuse IDSR040 - RK5 Dual-Element Time-Delay Fuse 40A@600V (200kA AIC)
IDSR040 Littelfuse IDSR Series - UL Class RK5 Dual-Element Time Delay Fuses with Indication Low Voltage Fuse 600V 40A Fuse - Essential Electric Supply
IDSR040 Littelfuse IDSR Series - UL Class RK5 Dual-Element Time Delay Fuses with Indication Low Voltage Fuse 600V 40A Fuse - Essential Electric Supply
IDSR040 Littelfuse IDSR Series - UL Class RK5 Dual-Element Time Delay Fuses with Indication Low Voltage Fuse 600V 40A Fuse - Essential Electric Supply
IDSR040 Littelfuse IDSR Series - UL Class RK5 Dual-Element Time Delay Fuses with Indication Low Voltage Fuse 600V 40A Fuse - Essential Electric Supply
Littelfuse IDSR040 - RK5 Dual-Element Time-Delay Fuse 40A@600V (200kA AIC)

Littelfuse IDSR040 - RK5 Dual-Element Time-Delay Fuse 40A@600V (200kA AIC)

Littelfuse
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Littelfuse IDSR040 is a UL Class RK5 dual-element time-delay fuse designed for overcurrent protection in industrial electrical systems. Rated for 600V AC/DC applications with a 40A current capacity, it features a 200kA interrupting rating and visual indication for fault detection. The fuse measures 1.06" in diameter with a single-barrel construction and weighs 0.35 lb, compliant with IEC 60127-2 standards. Its time-delay characteristics make it suitable for motor circuits, transformers, and branch circuit protection where inrush currents occur.

Key Features & Specifications
  • Type: UL Class RK5 dual-element time-delay fuse with visual indication
  • Voltage Rating: 600V AC/DC
  • Current Rating: 40A
  • Dimensions: 1.06" diameter
  • Standards: IEC 60127-2 compliant
  • Applications: Motor circuits, transformers, branch circuit protection
  • Class Rating: RK5
  • Barrels: 1
  • AIC rating: 200kA@600V
  • Weight: 0.35 lb
Product Identification
  • UPC: 07945801564
  • GTIN: 00079458015645