Eaton 155F040-I/I - Medium Voltage Fuse 15.5kV 40A (Class C NX Connection)

Eaton 155F040-I/I is a medium-voltage current-limiting fuse designed for high-voltage circuit protection in industrial power systems. Rated for 15.5kV AC applications with a 40A current capacity, this Class C fuse features a robust single-barrel NX connection design with a 2-inch diameter for secure installation. The fuse meets industry standards for medium-voltage protection with its 4 lb construction, ensuring reliable performance in demanding environments. Typical applications include transformer protection, motor circuits, and feeder protection in utility and industrial power distribution systems.

Key Features & Specifications

• Type: Medium-voltage current-limiting fuse with silver-sand construction
• Voltage Rating: 15,500V AC
• Current Rating: 40A
• Dimensions: 2" diameter
• Standards: ANSI/IEEE C37.40-40 series
• Applications: Transformer protection, motor circuits, feeder protection
• Class Rating: C
• Connection: NX
• Barrels: 1
• Weight: 4 lb