Cutler Hammer A3T70 - Class T Fuse 70A 300V (200kA AIC)

Cutler Hammer A3T70 is a Class T low-voltage fuse designed for high-interrupting capacity circuit protection in industrial applications. This 70A rated fuse operates at 300V AC/DC and features a compact single-barrel construction with 0.81-inch diameter and 1.56-inch clip center spacing. It meets industry standards for time-delay protection and carries a 200,000A interrupting rating at 300V. The fuse is commonly used in motor branch circuits, transformers, and feeder circuits where high fault current protection is required.

Key Features & Specifications

• Type: Class T time-delay fuse, single barrel construction
• Voltage Rating: 300V AC/DC
• Current Rating: 70A
• Dimensions: 0.81-inch diameter, 1.56-inch clip center
• Standards: UL/CSA listed
• Applications: Motor circuits, transformers, feeders
• AIC rating: 200kA@300V
• Class Rating: T
• Barrels: 1
• Weight: 5 lb
• Family: A3T

Product Identification

• UPC: 078200189015
• GTIN: 00782001890155