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NMK045KB - RK5 Fuse 45A 600V (5.19 lb)

United Fuses
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NMK045KB is a high-performance industrial fuse designed for overcurrent protection in electrical systems. It operates at a voltage rating of 600V AC and a current rating of 45A, ensuring reliable circuit interruption under fault conditions. The fuse features a compact, cylindrical construction with a 5.19 lb weight, utilizing a ceramic body and silver-plated contacts for durability and low resistance. It complies with UL 248-14 and CSA C22.2 No. 248.14 standards, making it suitable for motor control centers, panelboards, and branch circuit protection in heavy industrial environments.

Key Features & Specifications
  • Type: Industrial fuse, cylindrical, ceramic body, silver-plated contacts
  • Voltage Rating: 600V AC
  • Current Rating: 45A
  • Weight: 5.19 lb
  • Standards: UL 248-14, CSA C22.2 No. 248.14
  • Applications: Motor control centers, panelboards, branch circuit protection
  • Fuse Class: RK5
  • Mounting: Clip mount
  • Interrupting Rating: 200kA RMS Sym.
  • Operating Temperature: -40°C to 80°C


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