Littelfuse FLSR-050ID - Time-Delay Fuse 50A@600V (200kA AIC RK5 Class)

Littelfuse FLSR-050ID is a time-delay low-voltage fuse designed for circuit protection in industrial power distribution systems. This RK5-class fuse features a 600V AC/DC voltage rating and 50A current rating with a 200kA interrupting capacity at 600V for high-fault protection. The ferrule-connected fuse has a 1.06-inch diameter single-barrel construction with sand-filled ceramic body for reliable arc suppression. It complies with UL 248-5 standards for supplementary fuses and is commonly used in motor control centers, transformers, and feeder circuits requiring delayed trip characteristics under temporary overloads.

Key Features & Specifications

• Type: Time-delay low-voltage fuse (FLSR_ID), sand-filled ceramic body
• Voltage Rating: 600V AC/DC
• Current Rating: 50A
• Dimensions: 1.06" diameter
• Standards: UL 248-5
• Applications: Motor control centers, transformers, feeder circuits
• Class Rating: RK5
• Connection: Ferrule
• Barrels: 1
• AIC rating: 200kA@600V

Product Identification

• UPC: 07945802544
• GTIN: 00079458025446