Bussmann LPN-RK-8SP Ultimate Protector Series Fuse

The Eaton Bussmann LPN-RK-8SP Low-Peak RK1 fuse is a dual‑element, time‑delay device rated at 8 A for 250 VAC and 125 VDC circuits, designed to deliver fast short‑circuit protection with controlled let‑through current. Its cartridge‑style body measures 9/16 in (14.3 mm) in diameter and 2 in (50.8 mm) long, with ferrule terminals for reliable installation in power panels, distribution switchboards, and other control gear. It provides current‑limiting performance with an interrupt rating of 300 kA at 250 VAC and 100 kA at 125 VDC, and it meets UL 248‑12 requirements for Class RK1 fuses, ensuring conformity to recognized safety standards. Typical applications include large distribution switchboards, power panelboards, motor control centers, and machinery disconnect switches where robust, time‑delayed protection is essential. As part of Bussmann’s LPN‑RK family, the 8SP fuse combines low‑peak response with dual‑element protection to safeguard electrical systems while tolerating short surges, offering reliable protection in demanding industrial environments.