Mersen HSJ500 - Class J High-Speed Fuse 500A (200kA AIC @600V)

Mersen HSJ500 is a Class J high-speed fuse designed for robust circuit protection in low voltage industrial applications. This 500A rated fuse provides reliable overcurrent protection with a 600V AC voltage rating and exceptional 200kA interrupting capacity at 600V. The fuse features a compact single-barrel construction with a 2.5-inch diameter and weighs 2 lb, engineered for high-speed operation to minimize let-through energy during fault conditions. It complies with industry standards for Class J fuses, ensuring proper coordination with protective devices. Typical applications include motor circuits, transformer protection, and industrial power distribution systems where rapid fault clearing is critical.

Key Features & Specifications

• Type: Class J high-speed fuse, single-barrel construction
• Voltage Rating: 600V AC
• Current Rating: 500A
• Dimensions: 2.5-inch diameter
• Standards: Class J fuse standards
• Applications: Motor circuits, transformer protection, industrial power distribution
• AIC rating: 200kA@600V
• Class Rating: J
• Barrels: 1
• Weight: 2 lb

Product Identification

• GTIN: 00782001329747