Square D | FHP16040 | Circuit Breaker | 1-Pole

Meet the Square D FHP16040 1-Pole Circuit Breaker—a genuine OEM solution engineered for dependable single-pole protection in your electrical panel. Whether you’re performing routine maintenance, upgrading an older installation, or replacing a failed unit, this part delivers the exact specifications you need to keep circuits secure and compliant.

• Poles: 1-Pole
• Part number: FHP16040
• Brand compatibility: Square D ensures authentic design, fit, and function
• Best compatibility reference: The part number FHP16040 is the most reliable reference for matching panels and catalogs
• Important note: Confirm fit and ratings before ordering to ensure seamless replacement

Why this OEM 1-Pole breaker stands out

Choosing the Square D FHP16040 means you’re using an original equipment manufacturer (OEM) component that mirrors the exact form, mounting footprint, and trip characteristics of the unit you’re replacing. That precise alignment minimizes downtime and reduces the guesswork you often encounter with aftermarket parts. It’s designed to slot into compatible Square D panels without modification, preserving panel labeling, wiring clearances, and safety certifications.

Ideal use cases and practical benefits

• Quick replacement of a worn or degraded 1-pole breaker to restore reliable circuit protection.
• Retrofit: Upgrade or refresh aging panels with authentic Square D components to maintain performance parity with original specifications.
• Replacement: When a field device fails, this exact part ensures you’re restoring protection with the correct trip characteristics.
• Professional workflows: Ideal for electricians and facility managers who prioritize exact compatibility and predictable performance over generic substitutes.

Compatibility and best practices

Before purchasing, verify that the panel you’re servicing aligns with Square D’s specifications for a 1-pole device and that the ratings match the circuit’s requirements. The FHP16040 reference is the most reliable guide for compatibility—use it to confirm that your panel model, catalog, and amperage rating align with this breaker. When installing, follow standard electrical safety practices: power down the panel, isolate the circuit, and secure all connections per the panel manufacturer’s instructions. If there’s any doubt about fit or ratings, consult a licensed electrician to avoid mis-matches or electrical hazards.