Square D FAL360201121 20A 3-Pole 600 V Circuit Breaker

Meet the Square D FAL360201121 20A 3-Pole 600 V Circuit Breaker—a purpose-built protection device designed for reliable, three‑phase electrical systems. With a 20‑ampere rating and a 600‑volt maximum, this breaker delivers precise overcurrent protection for demanding industrial and commercial applications while keeping your panels organized and flowing smoothly.

Key specs

• Part Number: FAL360201121
• Current rating: 20 A
• Poles: 3
• Voltage rating: 600 V

Ideal use cases

Designed for three-phase circuits, this 3‑pole breaker is well suited for protecting motors, conveyors, pumps, and other three‑phase equipment in industrial settings or large commercial installations. Its 600‑volt rating makes it appropriate for systems that operate across multiple phases, while the 20‑amp rating targets moderate load branches to prevent overheating and electrical faults.

Why this Square D breaker stands out

The FAL360201121 model from Square D brings the confidence of a trusted brand to your panel replacements and upgrades. Its three-pole design ensures synchronized protection across all three phases, reducing the risk of imbalanced loads and trip events. Using the exact part number ensures compatibility with existing Square D layouts and stocking, simplifying maintenance and future replacements for fleets or ongoing projects.

Practical considerations and insights

• Use this 3‑pole breaker when protecting 3‑phase equipment in 600 V systems that require coordinated phase protection.
• Match the 20 A rating to circuit loads sized to prevent nuisance trips while safeguarding wiring and connected equipment.
• Ideal for panel boards and distribution setups where consistent, standardized protection across all three phases is essential.
• Keep the exact part number in inventory to ensure quick replacements in maintenance cycles or retrofit projects.

Whether you're upgrading aging panels, setting up a new 3‑phase distribution, or stocking replacement parts for a fleet of Square D breakers, the FAL360201121 delivers dependable, straightforward protection for your 3‑phase, 600 V workloads.