KLSR KLSR-100 - RK1 Fast-Acting Fuse 100 sA (200 kA AIC)
KLSR KLSR-100 - RK1 Fast-Acting Fuse 100 sA (200 kA AIC)
KLSR KLSR-100 - RK1 Fast-Acting Fuse 100 sA (200 kA AIC)
KLSR KLSR-100 - RK1 Fast-Acting Fuse 100 sA (200 kA AIC)

KLSR KLSR-100 - RK1 Fast-Acting Fuse 100 sA (200 kA AIC)

United Fuses
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KLSR KLSR-100 is a fast-acting, single-element fuse designed for high-interrupting capacity circuit protection in industrial power distribution systems. It features a 100 sA current rating and dual voltage ratings of 600V AC or 300V DC, with a compact physical profile of 33.30mm diameter by 200.00mm length and knife blade terminals for secure mounting. The fuse is certified to UL, CSA, and CE standards and offers an interrupting rating of 200 kA at 600V AC, making it suitable for protecting feeders, branch circuits, and motor starters against short-circuits and overloads.

Key Features & Specifications
  • Type: RK1 Fast-Acting (Single-Element) Fuse
  • Voltage Rating: 600V AC / 300V DC
  • Current Rating: 100 sA
  • Dimensions: 1.311” Diameter x 7.874” Length (33.30mm x 200.00mm)
  • Weight: 0.8 lb
  • Mounting: Knife Blade Terminals
  • AIC Rating: 200 kA @ 600V AC, 20 kA @ 300V DC
  • Standards: UL Listed (File: E81895), CSA Certified (File: LR29862), CE Marked
  • Applications: Industrial feeder and branch circuit protection, motor starter protection


Product Identification
  • UPC: 007945829082
  • GTIN: 00079458290820