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NFJ433100 - Fuse Switch Disconnector 300A 690V (3-Pole Sz.3)

United Fuses
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The NFJ433100 is a 3-pole in-line fuse switch disconnector designed for industrial power distribution, providing reliable circuit protection and isolation for high-current applications. It is rated for 300A at 690V AC, offering a high interrupt rating for use in main distribution and motor control centers. The device features a robust Sz. 3 frame with screw terminal connections, weighing 5.19 lb, and is engineered for easy installation and long-term performance in demanding environments. It complies with UL listing and IEC 60947-3 certification, ensuring adherence to stringent safety and performance standards. Typical applications include switchgear and control panels in industrial and commercial power systems, suitable for both new installations and upgrades.

Key Features & Specifications
  • 3-Pole Configuration
  • 300A Rated Current
  • 690V AC Maximum Voltage
  • Sz. 3 Frame Size
  • Screw Terminal Mounting
  • High Interrupt Rating
  • UL Listed
  • IEC 60947-3 Certified
  • Industrial Grade Construction
  • Designed for Fuse Link Use
  • Weight: 5.19 lb