Square D KC32150 Circuit Breaker, 150A, 3-Pole, 240V

The Square D KC32150 Circuit Breaker is a dependable, high-capacity protection device built for demanding industrial electrical service, maintenance, and replacement projects. With a 150 A rating, 3-pole design, and 240 V operation, this breaker safeguards large circuits and heavy equipment while enabling safe, rapid isolation when faults occur.

Key specifications

• Manufacturer: Square D
• Part number: KC32150
• Product type: Circuit Breaker
• Amperage: 150 A
• Poles: 3
• Voltage: 240 V

Why this 3-pole, 240 V design matters

Designed for 3-phase electrical systems, the KC32150 provides coordinated disconnection across all three phases, enhancing safety during outages, maintenance, and fault conditions. Its 150 A capacity makes it suitable for protecting feeders, large motors, and heavy-duty equipment without frequent nuisance tripping in everyday industrial environments.

Ideal use cases

• New installations in facilities with 3-phase 240 V power that require a robust 150 A protection device
• Panel maintenance and replacement projects where a reliable 3-pole breaker is needed
• Motor feeders and power distribution circuits that demand dependable overcurrent protection

How to ensure a perfect fit

Important: Verify fit by part number and application requirements. Use KC32150 to confirm compatibility with your Square D panels and wiring configuration. If you’re unsure about compatibility, send us a message and we’ll help you validate the right match for your setup.