Square D | PXF36900 | Circuit Breaker | 3-Pole

Meet the Square D PXF36900 three-pole circuit breaker—an OEM-grade solution purpose-built for maintenance, retrofit, and replacement in compatible Square D panels. Designed to protect multi‑pole circuits, this 3‑pole breaker ensures reliable interruption across three conductors, keeping critical equipment secure and systems running smoothly.

Key details that matter

• Poles: 3‑Pole — ideal for three‑phase applications or multi‑circuit protection in a single unit.
• Purpose: Specifically suited for maintenance, retrofit, and replacement when matching specifications are required.
• Compatibility guidance: The part number (PXF36900) is the best reference for ensuring a precise fit. Confirm both the physical fit and the required ratings prior to ordering.

Why this 3‑pole breaker stands out

• OEM reliability — Manufactured by Square D, it delivers the same trip characteristics and electrical performance as the original equipment, reducing the risk of mismatched protection.
• Clear compatibility pathway — Since panel designs vary, using the exact part number is the most reliable way to verify fit and ratings for your specific Square D panel.
• Simplified maintenance and upgrades — When upgrading or restoring multi‑pole protection, this breaker provides a straightforward, single‑unit replacement option without reconfiguring your panel.

Use cases and ideal applications

• Routine maintenance on Square D electrical panels where a direct replacement is required.
• Retrofits that add or restore essential three‑pole protection in systems that run three‑phase or multi‑circuit configurations.
• Replacement for a failed or worn-out 3‑pole breaker within compatible Square D installations.
• Industrial or commercial environments where dependable circuit protection is critical for uptime and safety.

How to verify compatibility (quick checklist)

• Check the panel model and confirm that Square D PXF36900 corresponds to your panel’s documented replacement parts.
• Verify the required voltage and current ratings on the panel label match what the PXF36900 supports (ratings should align with your system design).
• Use the part number as your primary compatibility reference when purchasing, and cross‑check against any panel manufacturer guides for extra assurance.
• When in doubt, consult a qualified electrician to confirm fit and ensure safe installation practices.

Performance you can rely on

This 3‑pole breaker delivers consistent tripping behavior aligned with its original specifications, providing dependable protection for multi‑wire circuits. By using the exact part number—PXF36900—you minimize compatibility surprises and support smooth integration into your existing Square D infrastructure.

Choose this genuine Square D 3‑pole breaker for a precise, purpose‑built replacement that supports reliable, safer electrical protection across your three‑pole applications. Add it to your basket to ensure your panel protection remains aligned with the manufacturer’s design and intent.