Square D | FI360501021 | Circuit Breaker | 50A | 3-Pole | 600V

For professionals maintaining 3‑phase, 600V electrical systems, the Square D FI360501021 Circuit Breaker delivers precise overcurrent protection with a 50A rating across three poles. Built to support maintenance, retrofit, and replacement projects, this breaker provides a reliable, ready‑to‑install solution when exact specifications matter.

• Key specs at a glance — Amperage: 50A; Poles: 3‑Pole; Voltage: 600V; Part number: FI360501021.
• Exact fit matters — Use FI360501021 as the best reference for compatibility with Square D panels and 3‑phase distribution gear. Confirm fit and ratings before ordering.
• Ideal use scenarios — Suitable for 3‑phase feeders, main or branch circuit protection in industrial environments, and retrofit projects where you must match existing panel configurations.

Why choose this Square D breaker? It’s engineered to integrate with Square D panels, providing consistent electrical performance within the intended voltage and current range. By sticking to the FI360501021 specification, you simplify maintenance and reduce the risk of misfit components during replacement.

Installation considerations and tips:

• Verify that your panel’s bus configuration and service ratings accommodate 50A, 3‑Pole, and 600V before ordering.
• Follow standard electrical practices for mounting and wiring, ensuring proper torque on terminal connections.
• Keep the FI360501021 as your go‑to reference for future replacements to preserve compatibility and streamline service calls.

In short, the Square D FI360501021 circuit breaker is a purpose‑built solution for professionals managing 3‑phase, 600V systems who require precise compatibility, clear maintenance reference, and straightforward installation.