Cutler Hammer A50QS300-4R - Current Limiting Fuse 300A (200kA AIC @ 500V)

Cutler Hammer A50QS300-4R is a current-limiting fuse from the Amp-Trap family designed for robust short-circuit protection in low-voltage industrial power systems. It features a 300A current rating and a 500V voltage rating, providing reliable circuit interruption capabilities. The fuse is constructed with a single-barrel design measuring 1.5 inches in diameter and weighing 5.19 lb, featuring bolt-in blade connections for secure installation. This fuse meets industry standards for high-performance protection with an impressive 200kA interrupting rating at 500V. Typical applications include industrial control panels, motor control centers, and power distribution equipment where superior short-circuit protection is required.

Key Features & Specifications

• Type: Current-limiting fuse, single barrel, bolt-in blade connection
• Voltage Rating: 500V AC
• Current Rating: 300A
• Dimensions: 1.5" diameter
• Weight: 5.19 lb
• Standards: Industrial fuse standards
• Applications: Industrial control panels, motor control centers, power distribution
• AIC Rating: 200kA@500V
• Connection: Bolt-In Blade
• Barrels: 1
• Family: Amp-Trap
• Item Subcategory: Low Voltage