Bussmann LPN-RK-45SP - Low-Peak Time-Delay Fuse 45A (300kA AIC, RK1 Class)

The Bussmann LPN-RK-45SP is a Low-Peak time-delay, current-limiting fuse from Eaton's LPN-RK family, designed to provide superior short-circuit and overload protection for industrial electrical systems. It features a 45A current rating and a 250V AC voltage rating, with an impressive 300kA interrupting capacity at its rated voltage. The fuse is constructed as a single-barrel unit with a 0.81-inch diameter and 3-inch length, weighing 2.2 lb, and meets rigorous certification standards including UL, CSA, and CE. This RK1 class fuse complies with UL Special Purpose Guide JFHR, Guide JDDZ (File E4273), and CSA Class 1422-02 (File 53787) under standard CSA C22.2 No. 248.12. Typical applications include protection of motors, transformers, and feeders where high fault current availability and time-delay characteristics are required.

Key Features & Specifications

• Type: Low-Peak time-delay, current-limiting fuse, single barrel construction
• Voltage Rating: 250V AC
• Current Rating: 45A
• Dimensions: 3-inch length, 0.81-inch diameter
• Weight: 2.2 lb
• Standards: CE, UL Special Purpose Guide JFHR, Guide JDDZ, File E4273, CSA Class 1422-02, File 53787, CSA C22.2 No. 248.12
• Applications: Motor protection, transformer protection, feeder circuit protection
• Class Rating: RK1
• Barrels: 1
• AIC rating: 300kA@250V
• Country of Origin: Mexico

Product Identification

• UPC: 051712538398
• GTIN: 00051712538398