Industrial HKA2125T Circuit Breaker Trip Unit

Description:

The Westinghouse HKA2125T Trip Unit is a 125 Amp 2 Pole trip unit used in KA series molded case circuit breaker systems for industrial power distribution and circuit protection applications. Commonly installed in switchgear assemblies, motor control centers, industrial distribution panels, and commercial electrical systems requiring adjustable breaker trip functionality. Maintenance teams, OEMs, and electrical integrators use this trip unit for breaker repair, retrofit projects, protection upgrades, and replacement of existing KA series trip components.

Applications:

The Westinghouse HKA2125T is commonly used in industrial and commercial electrical systems requiring dependable overcurrent protection and breaker trip functionality for 2-pole power circuits. It is frequently installed in motor control centers, switchboards, industrial automation panels, facility power distribution equipment, and OEM electrical assemblies where reliable thermal magnetic tripping performance is required for operational safety and equipment protection.

Technical Specifications:

• Brand: Westinghouse
• Part Number: HKA2125T
• Style Number: 657D789G05
• Product Type: Circuit Breaker Trip Unit
• Series Compatibility: KA Series
• Current Rating: 125 Amp
• Number of Poles: 2 Pole
• Trip Unit Type: Thermal Magnetic
• Application: Overcurrent Protection
• Compatible Equipment: Molded Case Circuit Breakers
• Suitable For: Industrial and Commercial Power Distribution Systems
• Installation Type: Internal Breaker Trip Assembly
• Typical Installation: Switchgear and Distribution Panels
• Electrical Function: Breaker Trip Control and Protection
• Industrial Use: Breaker Repair and Retrofit Applications

Common Replacements:

• Westinghouse HKA2100T
• Westinghouse HKA2150T
• Eaton KA2125T Trip Unit