Littelfuse LLNRK050 - RK1 Class Fuse 50A@250V (200kA AIC)

Littelfuse LLNRK050 is a low-voltage RK1 class fuse designed for circuit protection in industrial electrical systems. It features a 250V AC voltage rating and 50A current rating with a high interrupting capacity of 200kA at rated voltage. The compact 2.59mm diameter single-barrel construction provides reliable performance in space-constrained applications while meeting RK1 time-delay characteristics. UL-recognized and compliant with industry standards, this fuse is commonly used in motor control centers, panelboards, and switchgear applications requiring durable overcurrent protection.

Key Features & Specifications

• Type: LLNRK series time-delay fuse with ceramic body
• Voltage Rating: 250V AC
• Current Rating: 50A
• Dimensions: 2.59mm diameter
• Standards: UL 248-12 recognized
• Applications: Industrial control circuits, motor protection
• Class Rating: RK1
• Barrels: 1
• AIC rating: 200kA@250V
• Weight: 0.12 lb

Product Identification

• UPC: 07945833077
• GTIN: 00079458330779