Cooper Bussmann FWJ-400A - Low Voltage Fuse 400A@1000V (100kA AIC)

Cooper Bussmann FWJ-400A is a low-voltage fuse designed for high-current circuit protection in industrial power distribution systems. Rated for 400A at 1000V AC/DC, this stud-mounted fuse features a compact cylindrical design with a 0.81-inch diameter and 1-barrel construction, weighing 2 lb for easy installation. It meets UL Recognized, CSA Certified, and CE Marked standards, offering 100kA interrupting capacity for reliable fault protection in motor control centers, switchgear, and heavy equipment applications.

Key Features & Specifications

• Type: Low-voltage current-limiting fuse with silver-sand construction
• Voltage Rating: 1000V AC/DC
• Current Rating: 400A
• Dimensions: 0.81" diameter
• Standards: UL Recognized, CSA Certified, CE Marked
• Applications: Industrial power distribution, motor protection, switchgear
• Connection: Stud
• Barrels: 1
• AIC rating: 100kA@1000V
• Weight: 2 lb
• Certification: UL, CSA, CE

Product Identification

• UPC: 05171279626
• GTIN: 00051712796262