Eaton 449D672A21 - RBT4 Medium Voltage Fuse 400A (29.4kA@7.2kV AIC Rating)
Eaton 449D672A21 - RBT4 Medium Voltage Fuse 400A (29.4kA@7.2kV AIC Rating)

Eaton 449D672A21 - RBT4 Medium Voltage Fuse 400A ([email protected] AIC Rating)

Eaton
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The Eaton 449D672A21 is a medium voltage RBT4 current-limiting power fuse designed to provide reliable overcurrent protection in industrial electrical systems. It features a 7200V AC voltage rating and 400A current rating with a high interrupting capacity of 29.4kA at 7.2kV for effective fault protection. The single-barrel construction utilizes slow-blow characteristics and weighs 3 lb, meeting Class E requirements for robust performance. This fuse complies with industry standards for medium voltage applications, ensuring safe operation in demanding environments. Typical applications include motor control centers, transformer protection, and industrial power distribution systems where reliable circuit protection is critical.

Key Features & Specifications
  • Type: RBT4 medium voltage current-limiting power fuse, single-barrel construction, slow-blow operation
  • Voltage Rating: 7200V AC
  • Current Rating: 400A
  • Dimensions: Standard Class E configuration
  • Standards: Meets industry requirements for medium voltage fuses
  • Applications: Industrial power distribution, motor control centers, transformer protection
  • AIC rating: [email protected]
  • Class Rating: E
  • Barrels: 1
  • Velocity: Slow
  • Weight: 3 lb
  • Item Subcategory: Medium Voltage