Mersen A4BY300-55AK - Class L Bolt-In Fuse 300A @ 600V (Amp-Trap Design)

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Mersen A4BY300-55AK is a Class L bolt-in fuse designed for high-current circuit protection in industrial power distribution systems. It features a 600V AC rating and 300A current capacity, housed in a durable 5 lb bolt-in package with Amp-Trap construction for rapid short-circuit interruption. The fuse meets UL/CSA standards for Class L fuses, ensuring reliable protection for bus bars, switchgear, and service entrance equipment.

Key Features & Specifications
  • Type: Class L time-delay fuse with Amp-Trap design for high interrupting capacity
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Connection: Bolt-in terminal
  • Standards: UL/CSA listed for Class L fuses
  • Applications: Industrial power distribution, switchgear, motor circuits
  • Weight: 5 lb
  • Fuse Class: L