Bussmann FWX-400A - Low Voltage Fuse 400A (200kA AIC @ 250V)

Bussmann FWX-400A is a low-voltage current-limiting fuse designed for providing high-level short-circuit protection in industrial electrical systems. It features a 400A current rating and 250V voltage rating with an impressive 200kA interrupting capacity at rated voltage. The fuse construction utilizes a single-barrel design with stud connections and measures 1.5 inches in diameter with a 3-27/32 inch body length, weighing approximately 1 lb. This FWX series fuse meets CE, CSA, and UL recognition standards for safety and performance compliance. Typical applications include protection of motor circuits, feeders, and branch circuits in industrial control panels and power distribution equipment where reliable fault current interruption is critical.

Key Features & Specifications

• Type: Low-voltage current-limiting fuse, single-barrel design with stud connection
• Voltage Rating: 250V AC
• Current Rating: 400A
• Dimensions: 1.5" diameter x 3-27/32" length
• Standards: CE, CSA Certified, UL Recognized
• Applications: Industrial motor protection, feeder circuits, branch circuit protection
• AIC rating: 200kA@250V
• Connection: Stud
• Barrels: 1
• Weight: 1 lb
• Family: FWX Series
• Certification: CE, CSA Certified, UL Recognized

Product Identification

• UPC: 051712150712
• GTIN: 00051712150712