Westinghouse HKB3125T Trip Unit 3 Pole 125 Amp

Description:

The Westinghouse HKB3125T Breaker Trip Unit is used in industrial electrical distribution systems to provide overcurrent and short-circuit protection for three-phase power circuits and electrical equipment. Commonly installed in switchgear assemblies, motor control centers, commercial electrical panels, and industrial power distribution systems where dependable breaker protection and circuit interruption are required. Maintenance teams, electricians, and facility operators use this trip unit for replacement of failed breaker protection components, electrical system upgrades, and preventative maintenance of power distribution equipment.

Applications:

The Westinghouse HKB3125T trip unit is commonly used in manufacturing facilities, commercial electrical infrastructure, industrial automation systems, utility distribution equipment, and motor control applications where reliable 3-pole circuit protection and dependable fault interruption are critical for electrical safety and operational continuity.

Technical Specifications:

• Brand: Westinghouse
• Part Number: HKB3125T
• Product Type: Breaker Trip Unit
• Number of Poles: 3 Pole
• Current Rating: 125 Amp
• Trip Type: Thermal Magnetic
• Application: Industrial electrical protection systems
• Function: Overcurrent and short-circuit protection
• Compatible Equipment: Westinghouse HKB circuit breakers
• Installation Type: Breaker-mounted trip assembly
• Usage Environment: Commercial and industrial electrical systems
• Designed For: Power distribution and motor protection applications

Common Replacements:

• Eaton HKB3125T
• Cutler-Hammer HKB3125T
• Westinghouse HKD3125F