Square D | KAL36150WB | Circuit Breaker | 150A | 3-Pole | 600V

The Square D KAL36150WB circuit breaker is a purpose-built protection device rated for 150 amperes, designed for 3-pole, 600-volt duty. Built for maintenance, retrofit, and replacement projects, this unit delivers reliable overcurrent protection in demanding electrical panels where precise coordination and quick fault isolation matter most.

• Three-pole design (3-Pole) supports three-phase systems, providing balanced protection across all phases.
• Amperage: 150A, ensuring your system has robust protection for substantial load demands.
• Voltage rating: 600V, suitable for commercial and industrial distribution applications.
• Part reference: KAL36150WB. The part number is your best reference for compatibility and fit when ordering new or replacement breakers.
• Reliability: Square D engineering delivers consistent performance in panel boards and enclosures, helping minimize downtime during maintenance and retrofits.

Ideal use cases

• Replacing a failed or worn-out breaker in 3-phase panels to restore normal operation quickly.
• Retrofits where your existing system requires a precise 150A, 3-pole, 600V protective device aligned with the original specifications.
• Maintenance and upgrade projects in commercial or light industrial environments that use three-phase distribution.

Why choose this unit? It’s not just about specs on a page. The KAL36150WB is selected for compatibility with Square D lineups where maintaining panel coordination and trip characteristics is essential. Before ordering, confirm fit and ratings—the part number is the most reliable reference to ensure seamless replacement or retrofit without surprises in the field.

Practical tips for installation

• Match the breaker’s part number (KAL36150WB) to your panel’s approved accessory list to ensure proper fit and trip performance.
• Verify that the panel’s bus configuration and labeling accommodate a 3-pole device with a 600V rating.
• Always follow local electrical codes and manufacturer guidelines. When in doubt, consult a licensed electrician to confirm compatibility and safe installation.