Eaton 449D671A32 - RBT2 Medium Voltage Fuse 14.4kV/65A (14.4kA AIC)

Eaton 449D671A32 is a medium voltage RBT2 fuse designed for high-voltage circuit protection in industrial power systems. This Class E-rated fuse operates at 14,400V AC with a 65A current rating and 14.4kA interrupting capacity at full voltage, featuring a slow-operating characteristic for controlled fault isolation. The single-barrel construction provides reliable performance in demanding environments while meeting stringent industry standards for medium voltage protection. Typical applications include transformer protection, feeder circuits, and industrial power distribution systems requiring precise overcurrent coordination.

Key Features & Specifications

• Type: RBT2 medium voltage current-limiting fuse
• Voltage Rating: 14,400V AC
• Current Rating: 65A
• AIC Rating: 14.4kA @ 14.4kV
• Class Rating: E
• Operation: Slow blow characteristic
• Construction: Single barrel design
• Weight: 2 lb
• Standards: IEEE C37.40-2003, C37.41-2008
• Applications: Transformer protection, feeder circuits, industrial power distribution