Bussmann NOS-20 - NOS Fuse 20A 600V (50kA Interrupting Rating)

Bussmann NOS-20 is a low-voltage current-limiting fuse designed for industrial circuit protection applications requiring high interrupting capacity. This 20A rated fuse operates at 600V AC/DC with a 50kA interrupting rating, providing reliable short-circuit protection in demanding environments. The single-barrel construction features a compact 5-inch length with 0.81-inch diameter and carries Class K5 current-limiting characteristics for fast-acting performance. Certified to UL, CSA, and CE standards, this fuse meets rigorous safety requirements including UL File E4273 and CSA File 53787 compliance. Typical applications include motor branch circuits, feeder circuits, and industrial control panels where high fault current protection is essential.

Key Features & Specifications

• Type: NOS Series current-limiting fuse, single barrel construction
• Voltage Rating: 600V AC/DC
• Current Rating: 20A
• Dimensions: 5 inches length, 0.81 inches diameter
• Standards: UL Listed (File E4273), CSA Certified (Class 1421-01, File 53787), CE, Guide JDDZ, STD 248-9
• Applications: Motor branch circuits, feeder circuits, industrial control panels
• AIC rating: 50kA@600V
• Class Rating: K5
• Barrels: 1
• Weight: 1 lb
• Family: NOS Series
• Item Subcategory: Low Voltage Fuse
• Country of Origin: Mexico

Product Identification

• UPC: 051712310208
• GTIN: 00051712310208