Square D | LAB36150 | Circuit Breaker | 150A | 3-Pole | 600V

Square D LAB36150 is a heavy-duty three-pole circuit breaker built for demanding three-phase power systems. With a 150 A current rating and a 600 V maximum, this unit is designed for reliable protection in industrial and commercial panels where downtime hurts and safety matters.

What makes LAB36150 stand out

• Exact compatibility reference: The part number LAB36150 is your best reference for matching replacement, retrofit, or maintenance needs.
• Three-pole protection: A 3-pole design safeguards all three phases with a single device, simplifying wiring and ensuring balanced protection across the system.
• 600V system readiness: Rated for up to 600 V, it’s suited for higher-voltage distribution networks common in commercial and industrial environments.
• High-current capability: 150 A rating supports substantial loads, making it suitable for feeders, motor circuits, and distribution panels.
• Maintenance-friendly: Ideal for replacements and retrofits where existing LAB36150 installations are present; designed to slot into compatible Square D panels seamlessly.

Practical applications and use cases

Use LAB36150 in panel retrofits or service upgrades in warehouses, manufacturing floors, or facility electrical rooms. It’s appropriate for three-phase feeders, motor control centers, and power distribution panels that require a reliable 150 A, 600 V protection device. When upgrading or maintaining equipment, choosing the exact LAB36150 ensures you preserve electrical characteristics and protection behavior consistent with the original design.

Quick setup and verification tips

Before ordering, verify fit and ratings using the exact part number LAB36150. Check your panel’s documentation and cross-reference guidance to ensure compatibility. Confirm the voltage rating (600V) and the amperage (150A) align with the protected circuit, and follow all safety procedures during installation or replacement.