A4BY900 Mersen AKR Series Low Voltage Fuse 600V 900A Fuse - Essential Electric Supply
A4BY900 Mersen AKR Series Low Voltage Fuse 600V 900A Fuse - Essential Electric Supply

Cutler Hammer A4BY900 - Class L Fuse 900A (200kA@600V AIC Rating)

Cutler Hammer
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Cutler Hammer A4BY900 is a Class L low-voltage fuse designed for high-current circuit protection in industrial power distribution systems. This 900A rated fuse provides reliable overcurrent protection with a 600V AC voltage rating and exceptional 200kA interrupting capacity at 600V. The single-barrel construction features a 2.5-inch diameter design with robust materials ensuring durable performance in demanding environments. It complies with industry standards for Class L fuses and is typically deployed in motor control centers, service entrance equipment, and industrial power panels 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: 900A
  • Dimensions: 2.5-inch diameter
  • Standards: Class L fuse specifications
  • Applications: Industrial power distribution, motor control centers, service entrance equipment
  • AIC Rating: 200kA@600V
  • Family: AKR Series
  • Weight: 5 lb
  • Barrels: 1
  • Class Rating: L


Product Identification
  • UPC: 782001939137
  • GTIN: 00782001939137