Mersen A4BY1200 - Class L Fuse 1200A (200kA@600V Interrupting Capacity)

Mersen A4BY1200 is a Class L low-voltage fuse designed for high-current circuit protection in industrial power distribution systems. Rated for 600V AC/DC operation with a 1200A current capacity, it features a single-barrel construction with a 3" diameter and 10-3/4" length, weighing 4.5 lb. UL and CSA certified, this fuse meets stringent safety standards with a 200kA interrupting capacity at 600V for reliable fault protection. Its robust design is engineered for demanding applications including switchgear, motor control centers, and industrial power panels where high short-circuit protection is critical.

Key Features & Specifications

• Type: Class L time-delay fuse, single barrel construction
• Voltage Rating: 600V AC/DC
• Current Rating: 1200A
• Dimensions: 10-3/4" length x 3" diameter
• Weight: 4.5 lb
• Standards: UL, CSA certified
• AIC rating: 200kA@600V
• Applications: Industrial power distribution, switchgear, MCCs
• Class Rating: L
• Barrels: 1
• Country of Origin: Mexico

Product Identification

• UPC: 782001939168
• GTIN: 00782001939168