Littelfuse KLKR-003 - Medium Voltage Fuse 7.2kV/3A (50kA Interrupt Rating)

Littelfuse KLKR-003 is a medium-voltage current-limiting fuse designed for protecting electrical equipment from short-circuit conditions. It features a 7.2kV voltage rating and 3A current rating, with a compact cylindrical design constructed with durable ceramic housing and silver-element construction for reliable operation. The fuse meets IEEE C37.41 standards and is UL-recognized for industrial power distribution systems. Typical applications include motor protection, transformer circuits, and medium-voltage switchgear in utility and industrial environments.

Key Features & Specifications

• Type: Current-limiting medium-voltage fuse with ceramic body and silver-element construction
• Voltage Rating: 7.2kV AC
• Current Rating: 3A
• Dimensions: 152mm length x 38mm diameter
• Standards: IEEE C37.41, UL recognized
• Applications: Motor protection, transformer circuits, switchgear
• Fuse Class: K
• Interrupting Rating: 50kA
• Operating Temperature: -40°C to +85°C
• Mounting: Bolt-on terminal connection

Product Identification

• UPC: 079458260472
• GTIN: 079458260472