Bussmann NOS-25 - NOS Time-Delay Fuse 25A 600V (Class K5, 50kA AIC)

Bussmann NOS-25 is a low-voltage current-limiting fuse designed for circuit protection in industrial electrical systems. This 25A rated fuse operates at 600V AC/DC with a 50kA interrupting rating, providing reliable overcurrent protection. The single-barrel construction features a 5-inch length and 0.81-inch diameter with a Class K5 time-delay characteristic, manufactured to withstand industrial environments. It complies with UL Standard 248-9 and carries CE, UL Listed, and CSA certifications for safety and performance. Typical applications include motor branch circuits, transformers, and feeder protection where time-delay characteristics prevent nuisance tripping during temporary overloads.

Key Features & Specifications

• Type: NOS Series current-limiting time-delay fuse with single-barrel construction
• Voltage Rating: 600V AC/DC
• Current Rating: 25A
• Dimensions: 5 inches length, 0.81 inches diameter
• Standards: UL 248-9, CE, UL Listed (File E4273), CSA Certified (Class 1421-01, File 53787)
• Applications: Motor circuits, transformer protection, industrial feeder circuits
• AIC rating: 50kA@600V
• Class Rating: K5
• Barrels: 1
• Weight: 1.153 lb
• Country of Origin: Mexico

Product Identification

• UPC: 051712310253
• GTIN: 00051712310253