GE TJK436250 - 250 A, 600 V, 3-Pole Circuit Breaker | AmpState

Meet the GE TJK436250, a 250A, 600V, 3-pole molded case circuit breaker engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Its compact molded-case frame delivers powerful protection without sacrificing valuable panel space, making it a practical choice for commercial and light industrial installations as well as residential configurations requiring robust three-phase protection.

• Compact molded-case design maximizes panel space while delivering reliable performance, enabling cleaner wiring layouts and easier panel upgrades.
• Thermal-magnetic trip unit provides stable, repeatable protection by reacting to both overloads and short circuits, with consistent performance across typical ambient temperature variations.
• OEM-compatible engineering ensures seamless integration with matching GE OEM load centers and panelboards, simplifying installation and serviceability.
• Three-pole, 250A, 600V configuration supports three-phase distribution, making it suitable for residential, commercial, and light industrial applications that demand solid three-phase protection.
• Dedicated branch circuit and short-circuit protection designed to safeguard wiring, devices, and downstream equipment, reducing downtime and equipment damage.

Technical snapshot

• Manufacturer: GE
• Part Number: TJK436250
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 250 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection
• Compatibility: Matching GE OEM load centers and panelboards

Real-world scenarios

• In a residential service panel where a large subpanel or three-phase equipment needs dependable protection without expanding the panel footprint.
• In small commercial spaces for three-phase lighting, HVAC, or compact equipment where space efficiency and reliable trip performance are critical.
• In light industrial settings to guard modest three-phase drives or distribution circuits, delivering consistent protection in a durable molded-case form factor.

How this breaker stands out

• Compared to smaller two-pole options, the 3-pole design consolidates protection for all three phases in a single device, streamlining installation and maintenance.
• The thermal-magnetic trip unit provides a predictable response to both overloads and short circuits, helping to minimize nuisance trips while ensuring prompt interruption when protection is needed.
• OEM compatibility reduces field modifications and ensures coordinated performance with GE panel products, supporting long-term reliability across the electrical distribution system.

Tips for optimal use

• Verify that your panelboard is GE OEM-compatible and rated for 600V to ensure proper fit and performance.
• Match the amperage, voltage, and pole count to the existing protection scheme to maintain consistent fault protection and coordination across the panel.
• Adhere to applicable electrical codes during installation, and follow standard practices for wiring, labeling, and safety to maximize panel longevity and safety.