Square D KC34175 - 175 A, 480 V, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D KC34175 — a robust 175 A, 480 V, 3-pole plug-in molded case circuit breaker designed to protect your electrical distribution with precision. Built for dependable branch circuit overcurrent and short‑circuit protection in panelboards and load centers, this unit combines fast installation with proven protective performance.

• Fast plug-in connection: Quick installation and effortless replacement minimize downtime during upgrades, repairs, or panel service.
• Thermal-magnetic trip unit: Provides stable, repeatable protection across varying loads and temperatures, guarding against both overloads and short circuits.
• OEM compatibility: Designed to be compatible with matching Square D OEM load centers and panelboards, ensuring proper fit and reliable operation.
• 3-pole, 175 A, 480 V configuration: Ideal for balanced three-phase distribution in commercial and light industrial environments, supporting medium to high‑demand circuits.
• Applications across settings: Suitable for residential, commercial, and light industrial installations where safe, reliable circuit interruption is essential.

Technical snapshot

• Manufacturer: Square D
• Part Number: KC34175
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 175 A
• Voltage Rating: 480 V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Why this matters in practice: in commercial and light industrial panels, reliable protection at 480 V three-phase systems helps prevent nuisance trips and equipment damage, while the plug‑in design reduces service time during panel work. The KC34175 is a purpose-built choice for technicians who value compatibility, fast maintenance, and consistent protection performance.

Ideal use cases

• New installations in panelboards and load centers that require 3‑pole, 480 V protection
• Equipment rooms, small factories, and commercial spaces with moderate-to-high electrical demand
• Replacement within Square D OEM panels where exact fit and trip characteristics matter

With the KC34175, you get a focused solution that pairs a fast, secure plug-in connection with a shielded, thermal-magnetic trip mechanism. Use it to safeguard critical feeders and branch circuits, and rely on its three-pole configuration to maintain balanced protection in three-phase systems. Always verify compatibility with your specific panelboard model to ensure optimal performance and safety.