Bussmann FRN-R-40 - Fusetron Time-Delay Fuse 40A (200kA AIC @250V)

Bussmann FRN-R-40 is a Fusetron time-delay fuse designed for branch circuit protection in industrial and commercial applications. Rated for 250V AC systems with a 40A current capacity, this RK5-class fuse features a 200kA interrupting rating at 250V for robust short-circuit protection. The compact 3-inch cylindrical design (0.81-inch diameter) with single barrel construction meets UL 248-12 and CSA Class 1422-01 standards. CE-certified for international compliance, this Mexico-manufactured fuse provides reliable motor circuit and transformer protection while withstanding temporary overloads.

Key Features & Specifications

• Type: Fusetron time-delay fuse with sand-filled ceramic body
• Voltage Rating: 250V AC
• Current Rating: 40A
• Dimensions: 3" length x 0.81" diameter
• Standards: UL 248-12 Guide JDDZ, CSA Class 1422-01, CE
• Applications: Motor circuits, transformers, branch circuits
• Class Rating: RK5
• AIC rating: 200kA@250V
• Barrels: 1
• Weight: 1 lb

Product Identification

• UPC: 051712101783
• GTIN: 00051712101783