GE TJK436F000 400A, 600V, 3-Pole Molded Case Circuit Breaker The GE TJK436F000 is a high-capacity molded case circuit breaker designed to protect your panelboards and load centers from dangerous overcurrents and short circuits. With a robust 400-amp rating and a 600-volt operating capability, this 3-pole device is built to handle the demanding needs of large residential subpanels, commercial distribution, and light industrial applications, all while keeping wiring organized and protected. Key features that set this breaker apart
- 400A amperage rating in a compact molded case: delivers strong, reliable main protection without sprawling hardware, freeing up panel space for easier routing and future expansion.
- 600V voltage tolerance: suitable for multi-voltage distribution schemes common in higher-capacity residential, commercial, and light industrial setups.
- 3-pole configuration with thermal-magnetic trip: combines a stable thermal element for overcurrent protection with a fast magnetic response for short-circuit events, delivering repeatable protection performance.
- Space-efficient design: engineered to maximize panel real estate, making it easier to fit alongside other breakers while maintaining clean, code-friendly wiring.
- OEM loadcenter and panelboard compatibility: engineered to integrate smoothly with matching GE and OEM enclosures for dependable replacement and long service life.
- Applications across environments: ideal for residential subpanels that demand higher main protection, commercial distribution panels, and light industrial equipment feeds. Why this GE breaker matters in the real world
- Protects expensive equipment and wiring by interrupting fault currents before insulation is compromised or downstream conductors are damaged.
- Reduces nuisance trips with a balanced thermal-magnetic trip curve, providing predictable protection across a range of operating temperatures and load conditions.
- Simplifies upgrades and maintenance: a single, purpose-built solution for high-current main protection that aligns with existing GE loadcenters and compatible enclosures. Who should consider the GE TJK436F000
- Electrical contractors and facilities managers upgrading or expanding large residential service panels or commercial load centers.
- Property owners needing a dependable 400A main protection solution for complex distribution layouts.
- Technically minded homeowners undertaking substantial electrical renovations that require robust, code-aligned main protection. Technical specifications at a glance
- Manufacturer: GE
- Part Number: TJK436F000
- Type: Thermal-magnetic molded case circuit breaker
- Amperage Rating: 400A
- Voltage Rating: 600V
- Number of Poles: 3
- Application: Branch circuit overcurrent and short-circuit protection Practical tips for optimal use
- Verify panel compatibility: ensure the breaker is a matched fit for your GE or OEM loadcenter to maintain proper bus alignment and labeling.
- Plan for future expansion: the compact design helps you optimize space, but confirm bus bar and enclosure clearance when adding additional breakers or feeders.
- Follow safe installation practices: secure terminals to manufacturer torque specifications and comply with local electrical codes for panel labeling and protection. With the GE TJK436F000, you’re choosing a purpose-built solution for robust, reliable main protection in high-current service panels. It’s engineered to deliver consistent performance in real-world conditions, protecting what powers your building while fitting neatly into modern panel layouts.