Eaton 449D672A20 - RBT4 Medium Voltage Fuse 300A@7200V (29.4kA AIC)

Eaton 449D672A20 is a medium voltage RBT4 fuse designed for high-current circuit protection in industrial power systems. It features a 7200V voltage rating and 300A current capacity with a slow-blow characteristic for controlled interruption. The single-barrel construction meets Class E standards with a [email protected] AIC rating for reliable fault protection. UL/ANSI compliant, this 3 lb fuse is engineered for switchgear, transformers, and motor control centers in utility and heavy industrial applications.

Key Features & Specifications

• Type: Medium voltage RBT4 fuse with slow-blow operation
• Voltage Rating: 7200V AC
• Current Rating: 300A
• Class Rating: E
• AIC Rating: [email protected]
• Barrels: 1
• Velocity: Slow
• Weight: 3 lb
• Standards: UL/ANSI compliant
• Applications: Industrial switchgear, transformers, motor control centers