Mersen A3T40 - Class T Fuse 40A 300V (200kA AIC)

Mersen A3T40 is a Class T low-voltage fuse designed for high-performance circuit protection in demanding industrial applications. It features a 300V AC/DC voltage rating and 40A current rating with a 200kA interrupting capacity at rated voltage, housed in a compact 0.56" diameter single-barrel design. The fuse's rugged construction meets UL/CSA standards for time-delay protection, with a 5 lb weight indicating robust build quality. Typical applications include motor branch circuits, transformers, and power distribution equipment requiring reliable overcurrent protection.

Key Features & Specifications

• Type: Class T time-delay fuse, single barrel construction
• Voltage Rating: 300V AC/DC
• Current Rating: 40A
• Dimensions: 0.56" diameter
• Standards: UL/CSA listed
• Applications: Motor circuits, transformers, power distribution
• AIC rating: 200kA@300V
• Class Rating: T
• Barrels: 1
• Weight: 5 lb

Product Identification

• UPC: 782001890117
• GTIN: 00782001890117