Mersen A110URD73TTI1000 - TTI Fuse 1000A (120kA@1100V aR Class)

Mersen A110URD73TTI1000 is a low-voltage current-limiting fuse designed for high-performance circuit protection in industrial power distribution systems. This PSC Square Body fuse features a 1000A current rating and 1100V voltage rating with a 120kA@1100V interrupting capacity, providing robust short-circuit protection. The TTI-type fuse utilizes a tapped US connection and AR velocity design in a compact, durable square-body construction weighing 1 lb. It meets Class aR standards for reliable operation in demanding environments. Typical applications include motor protection, transformer circuits, and heavy industrial equipment requiring high fault-current interruption.

Key Features & Specifications

• Type: Current-limiting low-voltage fuse (TTI) with square body design
• Voltage Rating: 1100V AC
• Current Rating: 1000A
• Class Rating: aR
• AIC Rating: 120kA@1100V
• Connection: Tapped US
• Velocity: AR
• Weight: 1 lb
• Family: PSC Square Body
• Standards: Meets industrial protection requirements for high-fault applications
• Applications: Industrial power distribution, motor circuits, transformer protection