Littelfuse KLSR150 - RK1 Time-Delay Fuse 150A (200kA@600V AIC)

Littelfuse KLSR150 is a low-voltage RK1-class fuse designed for high-current circuit protection in industrial electrical systems. It features a 600V AC/DC voltage rating and 150A current rating, with a compact 0.41-inch diameter single-barrel construction weighing 1 lb. The fuse meets RK1 standards for time-delay protection and delivers 200kA interrupting capacity at 600V for reliable fault isolation. Typical applications include motor control centers, panelboards, and industrial power distribution equipment requiring durable short-circuit protection.

Key Features & Specifications

• Type: KLSR-series time-delay fuse with RK1 classification
• Voltage Rating: 600V AC/DC
• Current Rating: 150A
• Dimensions: 0.41" diameter single-barrel design
• Standards: RK1 class (time-delay)
• Applications: Motor controls, panelboards, industrial power distribution
• AIC rating: 200kA@600V
• Weight: 1 lb

Product Identification

• UPC: 079458290868