Littelfuse KLLU-1200 - Class L Time-Delay Fuse 1200A (200kA AIC @600V)

Littelfuse KLLU-1200 is a Class L time-delay (slow-blow) fuse designed for high-current circuit protection in low-voltage industrial applications. It features a 600V AC/DC voltage rating and 1200A current capacity with a 200kA interrupting rating at 600V for reliable fault protection. The fuse measures 2.5" (63.5mm) in diameter x 10.75" (273mm) in length with robust bolt-in knife blade terminals for secure connections. UL Listed (E81895), CSA Certified (LR29862), and CE Marked, it meets stringent safety standards for industrial power distribution systems. Typical applications include motor control centers, service entrance equipment, and heavy machinery protection.

Key Features & Specifications

• Type: Class L time-delay (slow-blow) fuse with sand-filled construction
• Voltage Rating: 600V AC/DC
• Current Rating: 1200A
• Dimensions: 2.5" x 10.75" (63.5mm x 273mm)
• Weight: 2 lb
• Standards: UL Listed (E81895), CSA Certified (LR29862), CE Marked
• Applications: Industrial power distribution, motor protection, service entrance equipment
• Connection: Bolt-in (knife blade terminals)
• AIC Rating: 200kA@600V
• Class Rating: L

Product Identification

• UPC: 079458271065
• GTIN: 00079458271065