Ferraz Shawmut OT100 - OT Series Fuse 100A 250V (50kA AIC)

Ferraz Shawmut OT100 is a low-voltage fuse designed for circuit protection in industrial applications. This K-5 class fuse features a 250V AC rating with a 100A current capacity and 50kA interrupting rating at 250V for reliable short-circuit protection. The single-barrel design measures 5.88 inches in length with a 1.06-inch diameter, constructed to UL/CSA standards for safety compliance. Its compact 0.26 lb design makes it suitable for panelboards and switchgear where space optimization is critical. Typical applications include motor branch circuits, transformers, and feeder protection in commercial and industrial power distribution systems.

Key Features & Specifications

• Type: OT series low-voltage current-limiting fuse
• Voltage Rating: 250V AC
• Current Rating: 100A
• Dimensions: 5.88 in length x 1.06 in diameter
• Standards: UL/CSA listed
• Applications: Industrial power distribution, motor protection
• Class Rating: K-5
• AIC rating: 50kA@250V
• Barrels: 1
• Weight: 0.26 lb
• Country of Origin: Mexico

Product Identification

• UPC: 782001700270
• GTIN: 00782001700270