Square D | IF36040 | Circuit Breaker | 3-Pole

The Square D IF36040 3-Pole Circuit Breaker is a purpose-built protection device designed for maintenance, retrofit, and replacement projects where exact compatibility matters. If your system operates on three-phase power, this part delivers reliable interruption and dependable performance within compatible Square D panels and enclosures.

• Three-pole design for three-phase protection — Ideal for circuits that require simultaneous interruption across all phases to maintain balance and safety in industrial or commercial electrical distributions.
• Exact part identification — The IF36040 part number is your best reference for compatibility, ensuring you match the correct mounting, bus arrangement, and trip characteristics with your existing setup.
• Fit-for-purpose replacement — Built to align with Square D standards, enabling straightforward retrofit or replacement without extensive panel modification.
• Clear compatibility notes — Before ordering, confirm fit and ratings to avoid mismatches; use the part number as the primary reference to verify alignment with your panel model and system requirements.

Ideal use cases

• Retrofit projects where aging or damaged breakers must be replaced with a trusted Square D solution.
• Maintenance tasks in industrial control panels and commercial electrical distributions that rely on three-phase protection.
• New installations where a ready-made, three-pole circuit breaker is needed to protect three-phase circuits with accurate trip coordination.

Why this matters for your electrical system

Using the correct three-pole breaker ensures coordinated protection across all phases, reduces the risk of nuisance trips, and supports predictable system behavior during fault conditions. The IF36040 is designed to slot into compatible Square D configurations, helping you maintain consistent protection strategies across your equipment without reinventing the wheel.

Practical steps to purchase with confidence

• Verify your panel model and input requirements to ensure three-pole compatibility.
• Confirm the required ratings and trip characteristics match your application needs.
• Use the IF36040 part number as the definitive reference to confirm compatibility before purchase.

Whether you’re performing routine maintenance, upgrading legacy gear, or implementing a precise replacement in a three-phase system, the Square D IF36040 3-Pole Circuit Breaker offers a dependable, compatible solution that keeps your electrical distribution protected and running smoothly.