Eaton 55F040-I - Medium Voltage Fuse 5500V/40A (Class C, NX Connection)

Eaton 55F040-I is a medium voltage current-limiting fuse designed for circuit protection in industrial power distribution systems. It features a 5500V AC voltage rating and 40A current rating, with a compact single-barrel NX connection design measuring 2 inches in diameter. The Class C-rated fuse utilizes sand-filled construction for reliable interruption of fault currents, complying with IEEE/ANSI standards for medium voltage applications. Its robust design makes it suitable for protecting transformers, capacitors, and motor circuits in utility and industrial environments.

Key Features & Specifications

• Type: Medium voltage current-limiting fuse with sand-filled construction
• Voltage Rating: 5500V AC
• Current Rating: 40A
• Dimensions: 2" diameter
• Standards: IEEE/ANSI compliant
• Applications: Transformer, capacitor, and motor circuit protection
• Class Rating: C
• Connection: NX
• Barrels: 1
• Weight: 3 lb