Bussmann JJN-450 - Class T Fuse 450A 300V (200kA AIC)

The Bussmann JJN-450 is a Class T low-voltage fuse designed for high-interrupting capacity circuit protection in industrial power distribution systems. It features a 450A current rating and 300V voltage rating with an impressive 200kA interrupting capacity at 300V for reliable fault protection. The fuse measures 3.06 inches in length with a 1.25-inch diameter and weighs 2 lb, constructed as a single-barrel design for straightforward installation. Certified to UL, CSA, and CE standards, this T-Tron family fuse meets rigorous safety requirements for industrial applications including motor control centers, service entrance equipment, and power distribution panels where high fault current protection is critical.

Key Features & Specifications

• Type: Class T low-voltage fuse, single barrel construction
• Voltage Rating: 300V AC
• Current Rating: 450A
• Dimensions: 3.06" L × 1.25" H × 1.25" W
• Standards: UL Listed, CSA Certified, CE Marked
• Applications: Industrial power distribution, motor control centers, service entrance equipment
• AIC rating: 200kA@300V
• Class Rating: T
• Barrels: 1
• Diameter: 1.25 inches
• Weight: 2 lb
• Family: T-Tron
• Certification: UL Listed, CSA Certified, CE Marked

Product Identification

• UPC: 051712627214
• GTIN: 00051712627214