Edison Fuses ECNR4.5 - RK5 Time-Delay Fuse 4.5A (200kA AIC @250V)

Edison Fuses ECNR4.5 is a low-voltage RK5-class fuse designed for circuit protection in industrial electrical systems. It features a 250V AC/DC voltage rating and a 4.5A current rating, with a compact ferrule connection design measuring 3in in length and 0.81in in width/height. Constructed with a single-barrel configuration and 200kA interrupting capacity at 250V, this fuse meets industry standards for reliable overcurrent protection in demanding environments. Typical applications include motor control centers, panelboards, and industrial machinery requiring precise fault interruption.

Key Features & Specifications

• Type: RK5 time-delay fuse with ferrule terminals
• Voltage Rating: 250V AC/DC
• Current Rating: 4.5A
• Dimensions: 3" L × 0.81" W × 0.81" H (76.2mm × 20.6mm × 20.6mm)
• Standards: UL/CSA recognized
• Applications: Industrial motor protection, panelboards, MCCs
• AIC rating: 200kA@250V
• Connection: Ferrule
• Barrels: 1
• Diameter: 2.34" (59.4mm)
• Weight: 1.11 lb (0.5kg)
• Class Rating: RK5

Product Identification

• UPC: 078263450721
• GTIN: 00782634507215