Square D KC24175BC 175A 2-Pole 480 V Circuit Breaker

Introducing the Square D KC24175BC 175A 2-Pole 480 V Circuit Breaker — a robust protection solution for high-voltage electrical systems. Built by Square D, this two-pole breaker is engineered to reliably interrupt power on 480-volt circuits, keeping panels, feeders, and connected equipment safe from overloads and faults.

Key specifications at a glance

• Current rating: 175 A
• Poles: 2
• Voltage rating: 480 V
• Part number: KC24175BC

Why this KC24175BC model stands out

• High-current protection: Designed to safely interrupt sizable loads common in industrial and commercial facilities, such as large motors, conveyors, and main feeders.
• Two-pole design for synchronized shutoff: Simultaneous disconnection of both hot legs simplifies protection of 480V circuits and reduces exposure to fault conditions.
• Compatibility with Square D panels: Optimized form factor and bus compatibility for straightforward replacement in compatible panelboards, switchgear, and distribution boards.
• Reliability you can depend on: Built with durable construction to withstand vibration, temperature variation, and frequent operation in demanding environments.

Ideal use cases

Use the KC24175BC to protect feeders feeding 480 V equipment in:

• Industrial manufacturing lines and machine rooms
• Commercial HVAC and large motor applications
• Data center power distribution where high-voltage protection is essential

Installation and maintenance tips

For best results, install in panels designed for KC-series breakers and confirm compatibility with your specific Square D panel labeling and bus type. When replacing an existing breaker, ensure the replacement KC24175BC matches the panel’s interrupting rating, bus configuration, and conduit accommodations. Regularly inspect for signs of wear, corrosion, or tripping history to validate ongoing protection performance.

Durable protection, streamlined replacement

Choosing the KC24175BC means investing in a drop-in solution that delivers straightforward replacement workflows, minimized downtime, and consistent performance across shifting loads — a practical choice for facilities prioritizing safety, reliability, and operational continuity.