General Electric TKM436350 350A 3-Pole 600 V Circuit Breaker

The General Electric TKM436350 350A 3-Pole 600 V Circuit Breaker is a rugged, mission-ready protective device designed to guard three-phase electrical distributions against overloads and faults. With a 350 amp current rating, three poles, and a 600-volt designation, it delivers dependable interruption for heavy-duty feeders in industrial environments while aligning with GE’s trusted distribution ecosystem.

• Current rating: 350 A
• Poles: 3
• Voltage rating: 600 V
• Part number: TKM436350
• Brand: General Electric (GE)

What problem does it solve? In three-phase circuits, overloads and short circuits threaten equipment, uptime, and safety. This circuit breaker detects overcurrent and quickly interrupts power to prevent cascading damage, protecting motors, drives, and distribution panels. The 3-pole design ensures synchronized protection across all phases, reducing the risk of phase imbalances that can injure equipment and compromise performance.

Ideal use cases

• Industrial facilities with motor loads and heavy three-phase equipment
• Commercial buildings with sizeable three-phase feeders
• Service panels and distribution boards that require GE-branded protection and a 600 V rating

Why this GE circuit breaker stands out

Beyond a basic protective device, the TKM436350 embodies General Electric’s legacy of dependable electrical components. With a 350 A capacity, it provides a practical balance between robust protection and manageable panel layouts, making it a strong choice for mid-to-high demand circuits that rely on reliable GE parts for long-term serviceability.

Practical tips for installation and use

• Ensure the enclosure or panel supports a 3-pole, 600 V GE circuit breaker with the TKM436350 part number
• Pair with the appropriate GE mounting hardware and accessories for a clean, compliant installation
• Follow applicable electrical codes and the manufacturer’s installation guidelines to ensure safe operation