Ferraz Shawmut A50QS175-4R - Low Voltage Fuse 175A 500V (200kA AIC)

Ferraz Shawmut A50QS175-4R is a low-voltage Amp-Trap fuse designed for high-interrupting circuit protection in industrial electrical systems. This 500VAC-rated fuse features a 175A current rating and a 200kA interrupting capacity at 500V for reliable short-circuit protection. Its compact 1.22-inch diameter bolt-in blade design with single-barrel construction ensures secure installation in compatible fuse holders. The fuse meets stringent industry standards for low-voltage protection devices. Typical applications include motor control centers, switchgear, and industrial power distribution systems requiring high-fault current interruption.

Key Features & Specifications

• Type: A50QS series current-limiting fuse with bolt-in blade connection
• Voltage Rating: 500V AC
• Current Rating: 175A
• Interrupting Rating: 200kA at 500V
• Diameter: 1.22 inches (31 mm)
• Connection: Bolt-in blade terminal
• Construction: Single-barrel design
• Standards: UL/CSA recognized
• Applications: Industrial power distribution, motor protection, switchgear