General Electric | THKMA31200 | Circuit Breaker | 1200A | 3-Pole | 600V

General Electric THKMA31200 Circuit Breaker is a purpose-built, high-current protection device designed for demanding electrical installations. With a 1200A rating, a 3-pole configuration, and a 600V operating range, this breaker is built for heavy-duty, three-phase services where reliable interruption is critical. It’s ideal for maintenance projects, retrofits, and replacements where exact specifications matter and continuity of your power distribution is essential.

Key specifications

• Amperage: 1200A
• Poles: 3-Pole
• Voltage: 600V
• Part number: THKMA31200

Ideal use cases

• Maintenance and replacement in three-phase power distribution systems that require a 1200A, 3-pole, 600V breaker
• Retrofit projects where upgrading to a higher-current protection device is necessary for large motors, presses, conveyors, or other heavy equipment
• Critical infrastructure with high-current loads that demand reliable interruption and protection from electrical faults

Choosing the right breaker matters for system reliability. The THKMA31200 is designed to meet exacting specifications for compatibility in appropriate GE panels and enclosures. Its high-current rating and three-pole configuration help protect large, three-phase circuits from overloads and short circuits, supporting safer startup sequences and uninterrupted operations in industrial settings.

Compatibility and ordering notes

Confirm fit and ratings before ordering. The part number THKMA31200 is the best reference for compatibility, so cross-check your panel model, enclosure, and bus arrangement to ensure a seamless replacement or upgrade. When in doubt, verify that your current draw, trip characteristics, and enclosure space align with this 3-pole, 1200A, 600V breaker to avoid any installation or safety issues.