Cutler Hammer A50QS125-4R - Amp-Trap Current Limiting Fuse 125A (200kA AIC @ 500V)

Cutler Hammer A50QS125-4R is a low-voltage current-limiting fuse from the Amp-Trap family, engineered to provide superior short-circuit protection in electrical systems. It features a 125A current rating and a 500V voltage rating, capable of interrupting faults with a 200kA AIC rating at 500V. The fuse is constructed with a single barrel and a bolt-in blade connection, housed in a robust package measuring 1.22 inches in diameter and weighing 5.19 lb. This fuse complies with industry standards for current-limiting protection devices, ensuring reliable performance and enhanced system safety. It is typically applied in industrial power distribution, motor branch circuits, and feeder protection where high fault current interruption is critical.

Key Features & Specifications

• Type: Amp-Trap A50QS current-limiting fuse, single barrel, bolt-in blade connection
• Voltage Rating: 500V AC
• Current Rating: 125A
• Dimensions: 1.22 inches diameter
• Standards: Industry standards for current-limiting fuses
• Applications: Industrial power distribution, motor branch circuits, feeder protection
• AIC rating: 200kA@500V
• Connection: Bolt-In Blade
• Barrels: 1
• Weight: 5.19 lb