Bussmann LPN-RK-20SP - Class RK1 Time-Delay Fuse 20A 250V (300kA AIC Rating)

Bussmann LPN-RK-20SP is a Class RK1 time-delay fuse designed for branch circuit protection in industrial electrical systems. This 20A rated fuse operates at 250V AC with an interrupting rating of 300kA, providing high fault current protection while withstanding temporary overloads. The single-barrel construction features a 0.56-inch diameter and 2-inch length with a rugged design for reliable performance in demanding environments. It complies with UL, CSA, and CE standards, meeting rigorous safety requirements for electrical protection components. Typical applications include motor circuit protection, transformer protection, and industrial control panel applications where time-delay characteristics prevent nuisance tripping during motor starting or transformer inrush conditions.

Key Features & Specifications

• Type: Low-Peak time-delay fuse, Class RK1, single barrel construction
• Voltage Rating: 250V AC
• Current Rating: 20A
• Dimensions: 2 inches length, 0.56 inches diameter
• Standards: UL Special Purpose Guide JFHR, Guide JDDZ, File E4273, CSA Class 1422-02, File 53787, CSA C22.2 No. 248.12, CE
• Applications: Motor circuit protection, transformer protection, industrial control panels
• AIC rating: 300kA @ 250V
• Class Rating: RK1
• Barrels: 1
• Weight: 1 lb
• Country of Origin: Mexico

Product Identification

• UPC: 051712538343
• GTIN: 00051712538343