Mersen A3T1200 - Class T Fuse 1200A (200kA@300V Interrupt Rating)

Mersen A3T1200 is a Class T low-voltage fuse designed for high-current circuit protection in industrial power distribution systems. This 300V-rated fuse delivers 1200A current capacity with a 200kA interrupting rating at 300V, housed in a compact 2.52-inch diameter single-barrel design with 2.53-inch clip centers. The A3T-series fuse meets stringent industry standards for short-circuit protection, featuring durable construction for demanding applications such as switchgear, motor control centers, and power distribution panels.

Key Features & Specifications

• Type: Class T low-voltage current-limiting fuse, single-barrel design
• Voltage Rating: 300V AC
• Current Rating: 1200A
• Dimensions: 2.52" diameter, 2.53" clip center spacing
• Standards: UL/CSA recognized
• Applications: Industrial switchgear, MCCs, power distribution
• AIC rating: 200kA@300V
• Class Rating: T
• Weight: 4 lb

Product Identification

• UPC: 782001890841
• GTIN: 00782001890841