Cooper Bussmann FWX-275A - Class R Fuse 275A (200kA AIC @250V)

Cooper Bussmann FWX-275A is a Class R low-voltage fuse designed for high-interrupting circuit protection in industrial electrical systems. It features a 250V AC voltage rating and 275A current rating with a 200kA interrupting capacity at 250V, housed in a compact 4.3" x 1.63" x 1.62" (LxHxW) stud-mounted design with UL certification. The fuse's 1.56" diameter barrel construction meets stringent safety standards for short-circuit protection in demanding environments. Typical applications include motor control centers, switchgear, and industrial power distribution systems requiring reliable overcurrent protection.

Key Features & Specifications

• Type: Class R time-delay fuse with single barrel construction
• Voltage Rating: 250V AC
• Current Rating: 275A
• Dimensions: 4.3" L x 1.63" H x 1.62" W (109.2mm x 41.4mm x 41.1mm)
• Standards: UL listed
• Applications: Industrial power distribution, motor protection, switchgear
• Connection: Stud terminal
• Diameter: 1.56" (39.6mm)
• Weight: 1 lb (0.45kg)
• AIC rating: 200kA @ 250V
• Class Rating: R

Product Identification

• UPC: 05171215398
• GTIN: 00051712153980