General Electric TKMA3YT12 1200A 3-Pole 600 V Circuit Breaker

Meet the General Electric TKMA3YT12 1200A 3-Pole 600 V Circuit Breaker—a rugged, high-capacity protection device designed for demanding three-phase power systems. With a 1200 A rating and a 600 V maximum, this GE circuit breaker delivers decisive overcurrent protection to keep heavy equipment and distribution networks safe and online.

Key specifications at a glance

• Current rating: 1200 A
• Poles: 3 (three-pole configuration for balanced three-phase protection)
• Voltage rating: 600 V

Ideal applications and use cases

• Industrial panels and main distribution boards in manufacturing facilities where large motors and heavy loads require robust protection
• Three-phase feeders for pumps, compressors, conveyors, and other high-demand equipment
• Critical loads in data centers and automation environments that rely on reliable, synchronized phase protection

What sets this GE breaker apart

• High-current capability for substantial circuits: Supports up to 1200 A, enabling protection of large feeders without frequent nuisance trips
• Three-pole, balanced protection: Ensures all phases trip together, reducing the risk of unbalanced faults that can damage equipment
• GE reliability you can rely on: Engineered for durability in demanding environments, helping to minimize downtime and maintenance needs

Practical benefits and outcomes

• Protects motors, drives, and connected loads from overloads and short circuits, helping extend equipment life
• Supports safer, more predictable shutdowns during fault conditions, reducing risk for personnel and facilities
• Fits into standard 3-phase distribution setups with 600 V systems, delivering consistent protection across your electrical infrastructure

Installation and compatibility notes

• Designed for 3-phase, 600 V systems; verify compatibility with your GE panel or switchgear and ensure proper mounting and electrical connections
• Part of GE’s circuit protection lineup, offering coherent protection strategy when paired with compatible GE devices in the same distribution network