General Electrics TKMA3Y1000 - 1000 A, 3-Pole Circuit Breaker | AmpState

Meet the General Electrics TKMA3Y1000 — a robust 1000 A, 3-pole molded case circuit breaker designed to safeguard your panelboards and load centers with precise, dependable protection. Supplied by AmpState, this device is built to handle demanding branch circuits while saving valuable panel space.

• Compact molded case design delivers reliable overcurrent protection without hogging precious panel footprint, making it an ideal upgrade or replacement in compact or crowded panels.
• Thermal-magnetic trip unit provides stable, repeatable protection across a wide range of fault currents and operating conditions, balancing nuisance trips with timely shutdown during faults.
• OEM-compatible designed to pair with matching General Electric load centers and panelboards for straightforward installation and consistent performance.
• Versatile applications suitable for residential, commercial, and light industrial environments, giving you one breaker that covers multiple project needs.

Why choose the TKMA3Y1000 for your panel

When you’re protecting high-current feeders or large branch circuits, a 3-pole design with a 1000 A rating ensures you’re covered for both overload and short-circuit events. The molded case construction offers solid insulation and durability, while the thermal-magnetic trip unit adapts to real-world electrical loads, reducing the risk of unwanted trips during normal operation and delivering fast response when faults occur.

Technical snapshot

• 1000 A
• Poles: 3
• Type: Thermal-magnetic molded case circuit breaker
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• Main feeder protection in large residential subpanels where high current handling and quick fault interruption are required
• Protection in commercial distribution panels that serve demanding equipment and lighting load
• Light industrial enclosures where reliable protection and panel-space efficiency matter

Practical installation guidance

Follow OEM guidelines to ensure compatibility with your specific load center or panelboard, and verify fitment with the General Electric TKMA series. Use the thermal-magnetic trip feature to achieve a balanced protection strategy across standard operating temperatures and load profiles. When upgrading or replacing, confirm that the panel’s bus bar configuration and mounting are compatible with a 3-pole molded case device and that the wiring gauge and conductor routing meet all applicable electrical codes.

For a dependable, space-efficient solution that clearly communicates protection boundaries in high-current environments, the General Electrics TKMA3Y1000 3-Pole Circuit Breaker from AmpState stands out as a practical, future-ready choice. Add it to your panel upgrade or new installation today to safeguard essential electrical infrastructure with confidence.