Cooper Bussmann HAC-R-50 - Class R Fuse 50A (200kA AIC @250V)

Cooper Bussmann HAC-R-50 is a Class R low-voltage fuse designed for circuit protection in industrial and commercial electrical systems. It features a 250V AC voltage rating and 50A current rating, with a single-barrel construction and 0.81-inch diameter for standardized fuse holder compatibility. The fuse meets UL/CSA standards and offers 200kA interrupting capacity at 250V for reliable short-circuit protection in demanding environments. Typical applications include motor control centers, panelboards, and industrial power distribution systems where high-fault current protection is required.

Key Features & Specifications

• Type: Class R rejection-style fuse with ceramic body construction
• Voltage Rating: 250V AC
• Current Rating: 50A
• Diameter: 0.81 inches (20.57mm)
• Standards: UL/CSA listed
• Applications: Industrial power distribution, motor protection, panelboards
• AIC rating: 200kA at 250V
• Barrels: 1
• Class Rating: R (rejection base)