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Bussmann REN400 - Class H Fuse 400A 250V AC (Renewable)

United Fuses
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Bussmann REN400 is a Class H, time-delay, super-lag renewable cartridge fuse engineered for overcurrent protection in industrial and commercial power systems. This 400A, 250V AC fuse features a non-current limiting design with a 10kA interrupting rating, utilizing brass and copper components for robust construction and durability. The renewable design allows for easy maintenance by replacing the fuse element, and the single-pole cartridge (blade style) mounting measures 2.06 inches by 8.63 inches. It complies with Class H industry standards for reliable performance. Typical applications include protecting feeder circuits, switchboards, and motor control centers in manufacturing and utility settings.

Key Features & Specifications
  • Type: Class H, Time-Delay (Super-Lag, Slow Blow), Renewable Cartridge Fuse
  • Amperage: 400A
  • Voltage: 250V AC
  • Interrupt Rating: 10kA
  • Poles: Single
  • Mounting Type: Cartridge (Blade Style)
  • Series/Frame: REN (Renewable)
  • Non-Current Limiting
  • Physical Size: 2.06" x 8.63"
  • Weight: 5.19 lb