Bussmann NOS-40 - Class K5 Fuse 40A 600V (50kA AIC Rating)

The Bussmann NOS-40 is a Class K5 low-voltage fuse designed for circuit protection in industrial power distribution systems, providing reliable overcurrent protection with a 40A current rating and 600V voltage rating. Its construction features a single-barrel design measuring 5-1/2 inches in length with a 1.06-inch diameter, built to withstand demanding industrial environments while maintaining a weight of 1.25 lb. This fuse meets rigorous industry standards including UL Listing, CSA Certification, and CE compliance, ensuring reliable performance in accordance with established safety protocols. Typical applications include motor branch circuit protection, feeder circuit protection, and industrial control panel applications where high interrupting capacity is required, featuring an impressive 50kA AIC rating at 600V for superior fault current protection.

Key Features & Specifications

• Type: Class K5 time-delay fuse, single barrel construction
• Voltage Rating: 600V AC
• Current Rating: 40A
• Dimensions: 5-1/2 inches length, 1.06 inches diameter
• Standards: UL Listed (File E4273), CSA Certified (Class 1421-01, File 53787), CE, Guide JDDZ, STD 248-9
• Applications: Motor branch circuit protection, feeder circuits, industrial control panels
• AIC rating: 50kA@600V
• Class Rating: K5
• Barrels: 1
• Weight: 1.25 lb
• Family: NOS Series
• Country of Origin: Mexico

Product Identification

• UPC: 051712310406
• GTIN: 00051712310406