Ferraz Shawmut A50QS250-4R - Low Voltage Fuse 250A (200kA AIC @500V)

Ferraz Shawmut A50QS250-4R is a low-voltage current-limiting fuse from the Amp-Trap family, designed for robust circuit protection in industrial power distribution systems. It features a 500V AC rating and 250A current capacity with a 200kA interrupting rating at 500V for high-fault protection. The fuse has a compact bolt-in blade design with a 1.5" diameter and 5 lb weight, constructed for durability in demanding environments. It complies with industry standards for low-voltage fuses, suitable for motor control centers, switchgear, and industrial power panels where reliable short-circuit protection is critical.

Key Features & Specifications

• Type: A50QS current-limiting fuse with bolt-in blade connection
• Voltage Rating: 500V AC
• Current Rating: 250A
• Dimensions: 1.5" diameter
• Weight: 5 lb
• Standards: Industry-compliant low-voltage protection
• Applications: Industrial power distribution, motor control centers, switchgear
• AIC rating: 200kA@500V
• Connection: Bolt-In Blade
• Barrels: 1