Square D FAL361002103 100A 3-Pole 600 V Circuit Breaker

Meet the Square D FAL361002103, a purpose-built 100A, 3-pole circuit breaker designed to safeguard three-phase electrical systems at up to 600 volts. This precision device is built for reliable protection where every amp matters, making it a trusted choice for commercial and light industrial panel boards that require solid, consistent trip performance.

Key to its value is exact compatibility with Square D panels that accept this part. The FAL361002103 is more than a match for your existing protection scheme—it delivers coordinated, multi‑pole protection that keeps all three hot legs in sync, reducing wiring complexity and improving overall system safety.

• Part Number: FAL361002103
• Current rating: 100 A
• Poles: 3 (three‑pole design for 3‑phase protection)
• Voltage rating: 600 V
• Protection purpose: Overcurrent and short‑circuit protection for three‑phase circuits
• Compatibility: Designed for Square D panels that accommodate this specific part number

Ideal uses and scenarios

Use the Square D FAL361002103 when you need dependable protection for three‑phase equipment up to 100 A. It’s well suited for:

• Three‑phase motors and driven loads in commercial facilities
• HVAC equipment distribution in industrial or large office environments
• Three‑phase lighting and power distribution in warehouses and manufacturing spaces

Why this 3‑pole, 600 V breaker stands out

Unlike single‑ or two‑pole alternatives, this 3‑pole design provides synchronized tripping across all live conductors, which is crucial for maintaining balanced protection in three‑phase systems. The 600 V rating ensures it can handle higher‑voltage applications common in commercial and industrial settings, giving you a robust safety margin for downstream equipment and wiring.

How to use and install

• Verify panel compatibility to ensure the Square D FAL361002103 is a like-for-like replacement or appropriate upgrade for your service panel.
• Consult a qualified electrician to install or replace the breaker in accordance with local electrical codes and safety standards.
• After installation, test the system to confirm proper tripping on overcurrent conditions and ensure the mechanism resets correctly.

Whether you’re upgrading an aging panel, configuring a new three‑phase distribution center, or stocking spare parts for critical infrastructure, the Square D FAL361002103 delivers reliable, industry‑standard protection. It’s a precise, purpose‑built solution for professionals who demand clear, proactive electrical safety and consistent performance across all three phases.