Bussmann J-21 - Class J Time-Delay Fuse 600V AC (21A Industrial Protection)

Bussmann J-21 is a Class J time-delay fuse designed for providing branch circuit protection in industrial power distribution systems. It features a 600V AC voltage rating and is engineered to handle temporary inrush currents without nuisance opening while providing fast-acting protection against short circuits. The fuse body measures 1.12 inches in length, 1.5 inches in height, and 0.61 inches in width with a robust construction weighing 1 lb, manufactured to meet stringent industrial standards in Mexico. This fuse complies with UL/CSA standards for Class J fuses, ensuring reliable performance in demanding environments. Typical applications include motor circuit protection, industrial control panels, and power distribution equipment where high interrupting capacity and time-delay characteristics are required.

Key Features & Specifications

• Type: Class J time-delay fuse with renewable element design
• Voltage Rating: 600V AC
• Current Rating: 21A
• Dimensions: 1.12" L × 1.5" H × 0.61" W (28.4mm × 38.1mm × 15.5mm)
• Standards: UL/CSA Class J compliance
• Applications: Motor branch circuits, industrial control panels, power distribution systems
• Fuse Class: J
• Weight: 1 lb (0.45 kg)
• Country of Origin: Mexico
• Item Subcategory: Reducer

Product Identification

• UPC: 051712714174
• GTIN: 00051712714174