Square D | LA26300AC | Circuit Breaker | 300A | 2-Pole | 600V

Upgrade or replace your electrical protection with the Square D LA26300AC circuit breaker—a dependable, 2-pole solution built to safeguard demanding electrical systems. With a

300A continuous amperage rating and a 600V maximum voltage, this unit is engineered for robust performance in commercial and industrial panels where reliable overcurrent protection is essential.

Designed for maintenance, retrofit, and replacement projects, the LA26300AC helps you restore protection quickly while matching critical specifications. When accuracy matters, trust the part number LA26300AC as the best reference for compatibility and fit.

Key specifications

• Amperage: 300A
• Poles: 2-Pole
• Voltage: 600V

What makes this breaker stand out

Square D is known for durable protection that aligns with industry electrical standards. The LA26300AC combines straightforward installation with precise electrical ratings to ensure consistent performance during startup surges and normal operation. Its 2-pole design provides simultaneous protection for both conductors in a circuit, helping to prevent arc-flash risks and ensure coordinated tripping in multi-wire configurations.

Ideal use cases

• Retrofit projects where existing equipment requires a matching 300A, 2-pole, 600V protection device
• Replacement for failed or degraded breakers in commercial or light industrial panels
• Maintenance shutdowns that demand quick, reliable restoration of overcurrent protection

Practical considerations and installation insights

Before ordering, confirm fit and ratings to ensure seamless replacement. The part number LA26300AC serves as the most reliable compatibility reference for matching panelboards and bus configurations. When installing, ensure the panel is de-energized, use proper PPE, and follow manufacturer instructions for mounting orientation and torque specifications. If your system requires precise synergy with existing Square D components, this breaker is designed to integrate smoothly within that ecosystem.

Why choose this Square D breaker for your project

Choosing the LA26300AC means opting for a proven, industry-standard protection device that aligns with established electrical assemblies. Its clear specifications—

• 300A protection
• 2-Pole configuration
• 600V rating

—translate into predictable, dependable protection for critical circuits, reducing downtime and helping you meet safety and compliance goals. For best results, reference the exact part number when sourcing replacements to avoid mismatches in rating, pole count, or voltage.