Square D | LA11289 | Circuit Breaker | 3A

Meet the Square D LA11289 Circuit Breaker—a compact 3 Amp protective device designed to drop into compatible Square D panels for maintenance, retrofit, or replacement. When exact specs matter, this part number is your best reference for compatibility and performance.

What makes the LA11289 stand out

This 3 A circuit breaker delivers reliable overcurrent protection for low-amp circuits, helping prevent insulation damage and electrical hazards while keeping your system in proper operating condition. Its Square D heritage means you’ll get consistent trip characteristics and seamless integration with panels that are designed around the LA11289 form factor.

Key specifications

• Amperage: 3 A (3 Amp rating)
• Part number: LA11289

Best uses and scenarios

• Maintenance: replace aging or worn breakers in compatible Square D panels to restore protective performance.
• Retrofit: upgrade or modify circuits while preserving original panel design and electrical characteristics.
• Replacement: swap out a failed breaker with an exact-match part to ensure consistent operation and trips.

Fit, compatibility, and installation tips

• Confirm fit and ratings before ordering—use the LA11289 part number as the primary compatibility reference.
• Ensure your panel model is one that accepts Square D breakers of the LA11289 family, and verify the circuit’s amperage requirements match the 3 A rating.
• Power down the panel and follow proper safety procedures during installation. If in doubt about fit or panel compatibility, consult the panel’s documentation or a qualified electrician.

Why choose this 3A Square D breaker

Choosing the LA11289 means prioritizing precise compatibility and dependable protection for your low-amp circuits. It’s particularly well-suited for maintenance workflows, retrofits, or replacements where matching the exact part number and specifications ensures the panel continues to perform as designed. For anyone maintaining or upgrading a Square D electrical system, this 3 Amp breaker offers a reliable, straightforward path to preserving safety and continuity in protected circuits.