Mersen A4BY300 - Class L Fuse 300A (200kA@600V AIC Rating)

Mersen A4BY300 is a Class L low-voltage fuse designed for high-interrupting capacity circuit protection in industrial power distribution systems. This 600V AC-rated fuse features a 300A current rating with exceptional 200kA interrupting capacity at 600V for reliable fault current protection. The single-barrel construction measures 2 inches in diameter and weighs 2 pounds, providing robust physical characteristics for demanding environments. Engineered to meet industry standards for Class L fuses, this AKR Series component delivers dependable performance in motor branch circuits, feeder circuits, and service entrance applications where high fault current protection is critical.

Key Features & Specifications

• Type: Class L low-voltage fuse, single barrel construction
• Voltage Rating: 600V AC
• Current Rating: 300A
• Dimensions: 2-inch diameter
• Standards: Class L fuse specifications
• Applications: Industrial power distribution, motor branch circuits, feeder protection
• AIC rating: 200kA@600V
• Class Rating: L
• Barrels: 1
• Weight: 2 lb
• Family: AKR Series

Product Identification

• UPC: 782001939021
• GTIN: 00782001939021