Square D | FI360701021 | Circuit Breaker | 70A | 3-Pole | 600V

Meet the Square D FI360701021 Circuit Breaker — a purpose-built protective device designed for reliability in maintenance, retrofit, and replacement projects. With a 70 A rating, 3-pole configuration, and a 600 V maximum, this breaker delivers precise, dependable protection for three-phase systems while fitting neatly into compatible Square D panels.

Core specifications

• Amperage: 70 A
• Poles: 3-Pole
• Voltage rating: 600 V

What makes it unique

Unlike generic substitutes, the FI360701021 is a genuine Square D component engineered for consistent trip performance and long-term durability in demanding electrical environments. The 3-pole design ensures synchronized protection across all phases, helping to prevent imbalanced loads and unplanned outages in three-phase panels.

Ideal use cases

• Retrofit projects where existing equipment requires a precise 70 A, 3-pole, 600 V solution.
• Maintenance inventories and spare parts for industrial electrical rooms to minimize downtime when a breaker trips.
• New installations in 3-phase, 600 V networks that demand robust overcurrent protection.

Fit, compatibility, and ordering tips

Before ordering, confirm fit and ratings against your equipment. The FI360701021 part number is the best reference for compatibility with Square D panels, ensuring a seamless replacement or retrofit.

Why choose Square D protection

Square D breakers are trusted for solid protection and predictable performance. This FI360701021 combines a proven trip curve with a compact 3-pole footprint, offering straightforward installation and reliable protection for your three-phase circuits, helping you maintain system uptime and safety.