Bussmann KTU-400 - Class L Bolt-In Fuse 400A@600V (200kA AIC)

Bussmann KTU-400 is a Class L bolt-in fuse designed for high-current circuit protection in industrial power distribution systems. Rated for 600V AC/DC operation with a 400A current capacity, this LIMITRON series fuse features a rugged bolt-in connection and delivers 200kA interrupting capacity at rated voltage. Its compact 8.63" x 2.5" x 2.5" (219mm x 64mm x 64mm) zinc-plated steel construction meets UL/CSA standards for reliable performance in demanding environments. Typical applications include motor control centers, switchgear, and heavy industrial equipment requiring Class L protection.

Key Features & Specifications

• Type: Class L time-delay fuse with zinc-plated steel construction
• Voltage Rating: 600V AC/DC
• Current Rating: 400A
• Dimensions: 8.63" L x 2.5" W x 2.5" H (219mm x 64mm x 64mm)
• Weight: 3 lb
• Diameter: 2.4" (61mm)
• Connection: Bolt-in terminal
• AIC Rating: 200kA @ 600V
• Standards: UL/CSA listed
• Applications: Industrial power distribution, MCCs, switchgear

Product Identification

• UPC: 05171261302
• GTIN: 00051712613026