Cooper Bussmann JCY-400X - Medium Voltage Fuse 5500V 10A (40kA AIC)

Cooper Bussmann JCY-400X is a medium-voltage current-limiting fuse designed for high-voltage circuit protection in industrial power systems. Rated for 5500V AC with a 10A current rating, this Class X fuse features a dual-barrel ferrule connection and delivers 40kA interrupting capacity at 5.5kV. The compact 12-inch clip-center design with 1 lb weight combines robust construction with precise fault current interruption. Compliant with industry standards for medium-voltage protection, it is engineered for switchgear, motor controllers, and transformer circuits in utility and heavy industrial applications.

Key Features & Specifications

• Type: JCY-series medium-voltage current-limiting fuse with silver-sand construction
• Voltage Rating: 5500V AC
• Current Rating: 10A
• Dimensions: 12" clip center spacing
• Standards: Meets ANSI/IEEE C37.40-40.46 for medium-voltage fuses
• Applications: Industrial switchgear, transformer protection, motor circuits
• Class Rating: X
• Connection: Dual-barrel ferrule
• AIC rating: [email protected]
• Weight: 1 lb