Square D | LAP36150MB | Circuit Breaker | 150A | 3-Pole | 600V

Meet the Square D LAP36150MB circuit breaker—a trusted 3-pole solution engineered for reliability in maintenance, retrofit, and replacement projects. When your panel requires exact specifications, this part number is your clearest reference to ensure proper fit and performance in demanding electrical environments.

Key specifications at a glance

• Amperage: 150A
• Poles: 3-Pole
• Voltage: 600V

Why this breaker stands out

Designed to align precisely with Square D panels and systems, the LAP36150MB delivers consistent protection for 3-phase circuits in commercial and light industrial settings. Its 150A rating makes it suitable for larger branch circuits or service feeders, while the 600V capability supports higher-voltage distribution commonly found in upgraded or retrofitted installations. The part number itself is the best reference for compatibility, helping you avoid mismatches during repair or modernization projects.

Ideal use cases

• Retrofit older panels to support higher-demand loads without compromising safety.
• Replace a failed or worn-out 3-pole breaker in a 3-phase system.
• Upgrade service panels in commercial facilities where a 150A, 600V solution is required.

Practical installation notes

Before ordering, confirm the fit and ratings for your specific panel model. Use the LAP36150MB as the canonical reference to verify compatibility with Square D enclosures and bus configurations. For optimal results, coordinate with a licensed electrician to ensure correct mounting, tap settings, and adherence to local electrical codes.