Square D | FIL360201021 | Circuit Breaker | 20A | 3-Pole | 600V

Protect critical equipment and electrical teams with the Square D FIL360201021 circuit breaker—built for rugged, reliable performance in 3‑phase, 600V systems. This 20A, 3‑pole unit is purpose‑built for maintenance, retrofit, and replacement projects where exact specifications matter, ensuring seamless integration with your Square D panels.

Key compatibility and features:

• Part number: FIL360201021 — the definitive reference for matching fit and ratings in your panel.
• Amperage: 20 A — precise overload protection tailored for small-to-moderate circuits in a 3‑phase network.
• Poles: 3‑Pole — designed for three‑phase distribution, ideal for industrial and commercial applications.
• Voltage rating: 600V — suitable for higher‑voltage panel boards and equipment protection.

What makes this breaker stand out

Beyond the basics, this Square D breaker delivers dependable tripping performance in demanding environments. The 3‑pole design reduces wiring complexity in 3‑phase systems and simplifies panel layouts during upgrades or retrofits, backed by Square D’s durable construction and consistent performance across varying temperatures and loads.

Ideal use cases

• Maintenance and retrofits in industrial control panels, machine rooms, and service entrances requiring 600V protection.
• Replacement for aging or unavailable breakers where exact part compatibility is essential.
• Panel upgrades in facilities with three‑phase distribution needing a compact 20A protection device for each leg.

How to ensure a perfect fit

Before ordering, verify that your equipment labeling lists the same specifications and that the panel accepts a FIL‑series 3‑pole 20A 600V breaker. Rely on the part number FIL360201021 as the definitive compatibility reference to avoid mismatches during maintenance or retrofit projects.

With Square D engineering, this 20A, 3‑pole, 600V circuit breaker protects loads reliably and minimizes downtime. Its precise trip rating and three‑phase design make it a practical choice for technicians upgrading panels or replacing discontinued units, delivering dependable performance when every second counts.