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521 - RK5 Fuse 5A 600V (5 lb)

United Fuses
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Save $-587.54
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The 521 is a heavy-duty industrial fuse designed for overcurrent protection in high-power electrical systems. It is rated for a maximum voltage of 600V AC/DC and a current rating of 5A, ensuring reliable performance in demanding environments. This fuse features a compact, non-renewable construction with a ceramic body and silver-plated contacts, weighing 5 lb for robust handling. It complies with UL and CSA standards, making it suitable for motor control centers, switchgear, and distribution panels. Typical applications include protecting branch circuits, transformers, and power supplies in manufacturing plants and commercial facilities.

Key Features & Specifications
  • Type: Heavy-duty industrial fuse, non-renewable, ceramic body with silver-plated contacts
  • Voltage Rating: 600V AC/DC
  • Current Rating: 5A
  • Weight: 5 lb
  • Standards: UL, CSA
  • Applications: Motor control centers, switchgear, distribution panels, branch circuits, transformers, power supplies
  • Fuse Class: RK5
  • Mounting: Clip
  • Hz: 50/60
  • Interrupting Rating: 200kA RMS Sym.
  • Terminal Connection: Ferrule
  • Operating Temperature Maximum Celsius: 80
  • Polarity: Non-polarized


Product Identification
  • UPC: Not available
  • GTIN: Not available