Bussmann NOS-40 - NOS Series Fuse 40A@600V (50kA AIC Rating)

Bussmann NOS-40 is a low-voltage fuse designed for circuit protection in industrial electrical systems, featuring a 40A current rating and 600V voltage rating. Its K5 class-rated construction with a single-barrel design and 1.06-inch diameter ensures reliable performance under high fault conditions up to 50kA interrupting capacity. The 5-1/2-inch fuse meets CE, UL, and CSA certifications (File E4273, Class 1421-01) for safety compliance with STD 248-9 standards. Typical applications include motor control centers, switchgear, and power distribution panels requiring robust short-circuit protection.

Key Features & Specifications

• Type: NOS series low-voltage fuse with single-barrel construction
• Voltage Rating: 600V AC
• Current Rating: 40A
• Dimensions: 5-1/2 in length, 1.06 in diameter
• Standards: UL Listed (File E4273), CSA Certified (Class 1421-01, File 53787), CE, Guide JDDZ, STD 248-9
• Applications: Industrial switchgear, motor controls, power distribution
• Class Rating: K5
• AIC rating: 50kA@600V
• Weight: 1.25 lb
• Country of Origin: Mexico

Product Identification

• UPC: 051712310406
• GTIN: 00051712310406