General Electric | THJS3603 | Circuit Breaker | 300A | 3-Pole

Meet General Electric's THJS3603, a genuine three-pole circuit breaker rated for 300 amps, built for reliability in demanding electrical panels. Designed for maintenance, retrofit, and replacement tasks where exact spec matching matters, this GE part helps you restore protection quickly without compromising system protection.

• Amperage: 300 A
• Poles: 3-Pole
• Part number: THJS3603
• Compatibility note: Confirm fit and ratings before ordering; the part number is the best reference for compatibility.

Why choose this GE circuit breaker? It ensures coordinated protection across all three phases, reducing downtime and safeguarding connected equipment in commercial and industrial environments. Because it's a genuine GE replacement, you benefit from the electrical characteristics and performance GE designed to work in GE panels and compatible systems.

• Ideal for maintenance when a panel's protective device reaches end of life or its trip characteristics no longer meet system requirements.
• Perfect for retrofit projects where a 3-pole, 300 A device is required to match existing feeders and downstream protections.
• Replacement in service panels and switchboards that specify THJS-series or GE-compatible trip units.

Practical guidance for a smooth fit (no surprises):

• Check your panel's labeling to confirm the exact GE-compatible family and trip characteristics before ordering.
• Use THJS3603 as the primary reference to ensure compatibility with your GE panel, bus arrangement, and mounting style.
• Inspect surrounding wiring and lugs for matching conductor size and torque requirements to maintain a safe, secure installation.

Designed for professionals who demand dependable protection, the THJS3603 is a straightforward, authentic GE component that restores racking protection and minimizes downtime when replacing a failed or outdated circuit breaker.