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

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

Eaton
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The Eaton 449D672A20 is a medium voltage RBT4 current-limiting power fuse designed to provide reliable overcurrent protection in industrial electrical systems. This Class E rated fuse operates at 7200V with a 300A current rating and delivers a high interrupting capacity of 29.4kA at 7.2kV for effective fault protection. Constructed as a single-barrel slow-blow fuse, it features controlled interruption characteristics that prevent damage to sensitive equipment during overload conditions. The unit complies with industry standards for medium voltage protection applications and is commonly deployed in motor control centers, transformer protection, and industrial power distribution systems where robust fault interruption is required.

Key Features & Specifications
  • Type: RBT4 current-limiting power fuse, single-barrel construction, slow-blow operation
  • Voltage Rating: 7200V AC
  • Current Rating: 300A
  • 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