Mersen A4BX400-55AE - Low Voltage Fuse 600V/400A (DBL Class Bolt-In)

Mersen A4BX400-55AE is a low-voltage current-limiting fuse designed for robust circuit protection in industrial power distribution systems. Rated for 600V AC/DC operation with a 400A current capacity, it features a bolt-in connection and DBL class rating for high-performance fault interruption. The 6 lb Amp-Trap series fuse employs a durable construction with precise current-limiting characteristics to protect equipment from short circuits and overloads. Compliant with industry safety standards, this fuse is engineered for demanding applications including motor control centers, switchgear, and industrial power panels where reliable protection is critical.

Key Features & Specifications

• Type: A4BX bolt-in current-limiting fuse, DBL class
• Voltage Rating: 600V AC/DC
• Current Rating: 400A
• Connection: Bolt-in
• Standards: UL/CSA certified
• Applications: Motor control centers, switchgear, industrial power distribution
• Weight: 6 lb
• Family: Amp-Trap series

Product Identification

• UPC: 78200193630
• GTIN: 00782001936303