GE THLK3125 125A 3P 240V Circuit Breaker | AmpState

Meet the GE THLK3125, a purpose-built 125A, 3-pole, 240V circuit breaker designed to protect your electrical distribution with precision and reliability. Crafted for everyday electrical work, this unit integrates seamlessly into GE panelboards, load centers, and distribution systems, making it an essential component for both professional repairs and ongoing maintenance.

Key reasons to choose the GE THLK3125

• Exact fit, exact BOM alignment: This is the original GE part number THLK3125, ensuring your replacement matches the design intent and keeps the equipment’s wiring diagrams, documentation, and listings consistent.
• Reliable 125 amp protection: Provides robust overcurrent protection for three-phase circuits, helping prevent damage to equipment and reducing downtime from electrical faults.
• Three-pole, 240V configuration: Suited for 3-phase distribution systems commonly found in commercial and industrial environments, with compatibility across standard GE electrical panels.
• Stocked by AmpState for quick refreshes: Availability through AmpState supports fast procurement, minimizing project timelines and ensuring you can keep spares on hand.
• Designed for replacement projects: A dependable choice when retrofitting or upgrading legacy panels, simplifying service calls and maintenance planning.

Who benefits

• Electrical contractors performing panelboard upgrades or replacements
• Facility maintenance teams managing routine electrical distribution and spare parts inventory
• OEMs and service providers who need to maintain original part numbers for safety listings and warranties

Use cases and practical applications

• Replacing a worn or failed circuit breaker in a GE panelboard to restore protected circuits without altering the original wiring scheme
• Bundling as a certified spare to reduce downtime during planned maintenance or emergency outages
• Ensuring continuity in electrical distribution for 3-phase equipment and machinery that rely on a 125A protective device

Specification snapshot

• 125 A
• Poles: 3
• Voltage: 240V
• Part number: THLK3125
• Manufacturer: GE
• Product type: Circuit Breaker

If you’re unsure about fit or compatibility, we’re here to help. Message us to confirm whether the GE THLK3125 matches your panelboard, load center, or distribution panel, and to verify that it aligns with your BOM and original equipment specifications.