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FRS45 - Class R Fuse 600V 45A 5.19 lb

United Fuses
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The FRS45 is a heavy-duty industrial fuse designed for overcurrent protection in high-power electrical systems. It is rated for 600V AC/DC and carries a current rating of 45 amps, ensuring reliable performance under demanding conditions. This fuse features a compact, non-renewable design with a ceramic body and silver-plated contacts, weighing 5.19 lb for robust construction. It complies with UL and CSA standards, making it suitable for use in motor control centers, switchboards, and distribution panels. Typical applications include protecting branch circuits, feeders, and semiconductor devices in manufacturing, power generation, and commercial facilities.

Key Features & Specifications
  • Type: Industrial fuse, non-renewable, ceramic body, silver-plated contacts
  • Voltage Rating: 600V AC/DC
  • Current Rating: 45 A
  • Weight: 5.19 lb
  • Standards: UL, CSA
  • Applications: Motor control centers, switchboards, distribution panels, branch circuits, feeders, semiconductor protection
  • Fuse Class: Class R
  • Mounting: Clip or bolt-on
  • Hz: 50/60
  • Interrupting Rating: 200 kA RMS Sym.
  • Terminal Connection: Ferrule or blade
  • Operating Temperature Maximum Celsius: 125°C
  • Insulation Temperature: 105°C
  • Dimensions: 5.5 in x 1.5 in x 1.5 in


Product Identification
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