Littelfuse KLSR225 - RK1 Class Fuse 225A (200kA@600V Interrupt Rating)

Littelfuse KLSR225 is a low-voltage RK1 class fuse designed for circuit protection in industrial power distribution systems. It features a 600V AC/DC voltage rating and 225A current rating with a high interrupting capacity of 200kA at 600V. The single-barrel construction measures 2.59 inches in diameter and weighs 2 lb, built for durability in demanding environments. Compliant with industry standards for RK1 fuses, it provides reliable protection for motor control centers, switchgear, and industrial control panels where high fault current interruption is critical.

Key Features & Specifications

• Type: KLSR series RK1 time-delay fuse with single barrel construction
• Voltage Rating: 600V AC/DC
• Current Rating: 225A
• Dimensions: 2.59" diameter
• Standards: RK1 class compliant
• Applications: Industrial power distribution, motor control centers, switchgear
• Class Rating: RK1
• AIC rating: 200kA@600V
• Barrels: 1
• Weight: 2 lb

Product Identification

• UPC: 07945829089
• GTIN: 00079458290899