Eaton 449D672A38 - RBT4 Medium Voltage Fuse [email protected] (29.4kA AIC)

The Eaton 449D672A38 is a medium voltage RBT4 current-limiting power fuse designed for overcurrent protection in industrial electrical systems. It features a 14.4kV voltage rating and 80A current rating with a 29.4kA interrupting capacity at 14.4kV for reliable fault protection. The single-barrel construction utilizes a slow-blow characteristic and Class E rating, housed in a durable design weighing 3 lb. This fuse complies with industry standards for medium voltage applications and is typically deployed in motor control centers, transformer protection, and industrial power distribution systems requiring high-voltage circuit protection.

Key Features & Specifications

• Type: RBT4 current-limiting power fuse, single-barrel construction, slow-blow characteristic
• Voltage Rating: 14400V AC
• Current Rating: 80A
• Dimensions: Standard Class E configuration
• Standards: Industrial medium voltage protection standards
• Applications: Motor control centers, transformer protection, industrial power distribution
• AIC rating: [email protected]
• Class Rating: E
• Barrels: 1
• Velocity: Slow
• Weight: 3 lb
• Item Subcategory: Medium Voltage