Eaton 15RBA4-300E - Medium Voltage Fuse 14.4kV/300A (29.4kA AIC)

Eaton 15RBA4-300E is a medium-voltage current-limiting fuse designed for high-voltage circuit protection in industrial power systems. Rated for 14.4kV AC operation with a 300A current capacity, this Class E fuse features a single-barrel construction and delivers 29.4kA interrupting capacity at full voltage. The robust design incorporates precision-engineered fusible elements housed in a durable ceramic body, compliant with IEEE C37.40-2003 standards for medium-voltage fuses. Typical applications include transformer protection, feeder circuits, and switchgear installations in utility and industrial power distribution networks.

Key Features & Specifications

• Type: RBA4 current-limiting fuse with ceramic body
• Voltage Rating: 14.4kV AC
• Current Rating: 300A
• AIC rating: 29.4kA @ 14.4kV
• Class Rating: E
• Barrels: 1
• Velocity: Standard
• Weight: 2 lb
• Standards: IEEE C37.40-2003 compliant
• Applications: Transformer protection, feeder circuits, switchgear

Product Identification

• GTIN: 00786670233381