Ferraz Shawmut A50QS70-4R - Low Voltage Fuse 70A (200kA AIC @500V)

Ferraz Shawmut A50QS70-4R is a low-voltage current-limiting fuse from the Amp-Trap family, designed for robust circuit protection in industrial electrical systems. It features a 500V AC voltage rating and 70A current rating, with a bolt-in blade connection for secure installation. The fuse has a compact 1-inch diameter construction with a single-barrel design, weighing 5 lb, and delivers 200kA interrupting capacity at 500V for high-fault protection. Compliant with industry standards for low-voltage fuses, it is commonly used in motor control centers, switchgear, and power distribution panels requiring reliable short-circuit protection.

Key Features & Specifications

• Type: A50QS current-limiting fuse, single-barrel design with bolt-in blade termination
• Voltage Rating: 500V AC
• Current Rating: 70A
• Dimensions: 1-inch diameter
• Standards: Industry-compliant low-voltage fuse
• Applications: Motor control centers, switchgear, power distribution panels
• AIC rating: 200kA@500V
• Connection: Bolt-In Blade
• Barrels: 1
• Weight: 5 lb