Square D | KC34175CBA | Circuit Breaker | 175A | 3-Pole | 480V

Square D KC34175CBA is a 175A, 3-pole circuit breaker designed for 480V three-phase electrical systems. Built for durability in demanding commercial and industrial panels, it delivers dependable protection by quickly interrupting fault currents to safeguard motors, feeders, and downstream equipment. When your operation relies on stable power delivery, this KC-series breaker provides the reliability you need for maintenance, retrofit, or replacement projects.

Key specifications

• Amperage: 175A
• Poles: 3-Pole
• Voltage: 480V
• Part number: KC34175CBA

What sets this breaker apart

Unlike generic substitutes, the KC34175CBA is specified to fit Square D panels and distribution configurations that require a precise 3-pole, 480V, 175A solution. Its design supports consistent trip characteristics crucial for protecting three-phase feeders and motor circuits, reducing the risk of equipment damage and unplanned downtime. The exact part number is your best reference for compatibility, ensuring you don’t overmatch or under-spec a panel upgrade or service job.

Ideal use cases

• Replacing a failed 3-pole breaker in a 480V, three-phase motor control circuit to restore full-load protection.
• Upgrading a feeder or branch circuit in industrial panels that require a 175A rating on 480V systems.
• Retrofitting legacy electrical enclosures with a precise, reliable Square D KC-series breaker to maintain code-compliant protection.

Installation and compatibility tips

Before ordering, verify fit and ratings using the exact part number KC34175CBA as the primary compatibility reference. Confirm that your enclosure supports a 3-pole, 480V device of this amperage and that the mounting style matches your panel’s design. When conducting replacements, plan for proper de-energization and follow local electrical codes to ensure safe installation and optimal performance.