General Electric | THJK426400 | Circuit Breaker | 400A | 2-Pole | 600V

Meet the General Electric THJK426400 circuit breaker — a purpose-built 400A, 2-pole solution designed for demanding electrical environments. With a 600V rating, it delivers reliable interruption protection for high-current circuits, helping safeguard wiring and connected equipment from fault conditions.

This unit is tailored for maintenance, retrofit, and replacement projects where exact specifications matter. The part number THJK426400 is your strongest reference point to confirm compatibility, ensuring you match the same trip characteristics, pole configuration, and voltage rating as your original device.

Key specifications at a glance

• Amperage: 400A
• Poles: 2-Pole
• Voltage: 600V

Why this GE breaker is the right choice

• Precise compatibility: Rely on the THJK426400 part number to align with your panel or switchgear’s required 2-pole, 400A, 600V specification.
• Targeted use cases: Ideal for retrofit projects where an exact spec match is essential, as well as replacement in service entrances or industrial circuits that demand robust protection at 600V.
• Reliability in demanding environments: Built to handle high-current applications, helping minimize downtime by providing dependable interruption when protection is needed.

Use cases and scenarios

• Replacing a failed 400A, 2-pole breaker in industrial control panels or power distribution equipment.
• Upgrading legacy systems during facility retrofits where maintaining the original 600V rating and 2-pole configuration is critical.
• Maintenance projects requiring a genuine GE component to ensure consistent performance and compatibility with existing infrastructure.

Installation and safety considerations

• Before ordering, confirm fit and ratings match your equipment by cross-referencing the part number THJK426400 with your panel label and service requirements.
• Have a qualified electrician perform the installation, ensuring all power is safely de-energized and lockout procedures are followed.
• Inspect the breaker for any transport or packaging damage upon receipt; do not install if any damage is evident.
• Follow manufacturer guidelines for mounting, torque (if specified by the panel), and labeling to maintain clear system documentation.

When you need a genuine General Electric solution that aligns exactly with 400A, 2-Pole, and 600V requirements, the THJK426400 delivers precise compatibility, reliable protection, and a straightforward path from purchase to installation. This is the targeted, specification-driven choice for professionals safeguarding high-current electrical systems.