Bussmann NOS-3 - NOS Series Fuse 3A 600V (50kA AIC, Class K5)

Bussmann NOS-3 is a low-voltage fuse designed for circuit protection in industrial applications, featuring a 3A current rating and 600V voltage rating for reliable overcurrent protection. Its compact design measures 5 inches in length with a 0.81-inch diameter, constructed as a single-barrel Class K5 fuse with a 50kA interrupting capacity at 600V. The fuse meets stringent certifications including UL, CSA, and CE standards, ensuring compliance with industrial safety requirements. Typical applications include motor control centers, switchgear, and power distribution systems where high-performance protection is critical.

Key Features & Specifications

• Type: NOS series, single-barrel low-voltage fuse
• Voltage Rating: 600V AC/DC
• Current Rating: 3A
• Dimensions: 5 in length, 0.81 in diameter
• Weight: 1.153 lb
• Class Rating: K5
• AIC Rating: 50kA@600V
• Certifications: UL Listed, CSA Certified (Class 1421-01), CE, STD 248-9
• Applications: Motor controls, switchgear, power distribution

Product Identification

• UPC: 051712310031
• GTIN: 00051712310031