Bussmann LPN-RK-4SP - Class RK1 Time-Delay Fuse 4A 250V (300kA AIC)

Bussmann LPN-RK-4SP is a Class RK1 low-voltage time-delay fuse designed for branch circuit protection in industrial electrical systems. It features a 4A current rating and 250V voltage rating with a high 300kA interrupting capacity at rated voltage. The fuse construction includes a single-barrel design with 0.56-inch diameter and 2-inch length, weighing 1 lb for compact installation. It complies with UL, CSA, and CE standards including UL File E4273 and CSA Class 1422-02. Typical applications include motor circuit protection and transformer protection where time-delay characteristics prevent nuisance tripping during temporary overload conditions.

Key Features & Specifications

• Type: Low-Peak RK1 time-delay fuse, single barrel construction
• Voltage Rating: 250V AC
• Current Rating: 4A
• Dimensions: 2-inch length, 0.56-inch 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: Industrial branch circuit protection, motor circuits, transformer protection
• AIC rating: 300kA@250V
• Class Rating: RK1
• Barrels: 1
• Weight: 1 lb
• Family: Low-Peak
• Country of Origin: Mexico

Product Identification

• UPC: 051712538213
• GTIN: 00051712538213