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

Bussmann JJN-300 is a Class T low-voltage fuse designed for high-interrupting capacity circuit protection in industrial applications. It features a 300V AC voltage rating and 300A current rating with exceptional 200kA interrupting capacity at 300V for reliable short-circuit protection. The fuse construction utilizes a single-barrel design with 1-inch diameter and 2-3/4 inch length, manufactured to meet UL 248-15 and CSA Class 1422-02 standards. This T-Tron family fuse carries CE certification and is engineered for demanding environments including industrial control panels, motor circuits, and power distribution systems 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: 300A
• Dimensions: 2-3/4 inch length x 1 inch diameter
• Standards: UL 248-15, CSA Class 1422-02, CE certified
• Applications: Industrial control panels, motor protection, power distribution
• AIC rating: 200kA @ 300V
• Class Rating: T
• Barrels: 1
• Diameter: 1 inch
• Weight: 1 lb
• Certification: CE/UL-248-15 Guide JDDZ/CSA Class 1422-02
• Family: T-Tron
• Country of Origin: Mexico

Product Identification

• UPC: 051712627306
• GTIN: 00051712627306