Westinghouse Cutler-Hammer HLA3500T Trip Unit

Westinghouse Cutler-Hammer HLA3500T Trip Unit is a 500 Amp Type LA 600 Trip Unit, identified by the code 2603D46. This component is part of the Westinghouse Cutler-Hammer protection family and serves as the trip mechanism within compatible protection equipment. The 500 A rating indicates the nominal current level at which the unit is designed to operate, while the Type LA designation places it in the LA-series trip units. The 2603D46 reference provides a catalog or part identifier for ordering and replacement. As a trip unit, it is intended to be installed in assemblies that require a dedicated protective element to interrupt current when specified conditions are met. The HLA3500T designation ties the unit to the specific model line, reflecting its compatibility with other HLA3500T components and configurations. This description reflects the product’s core identity: a Westinghouse Cutler-Hammer Trip Unit with a 500 Amp rating and Type LA classification, cataloged as 2603D46.