Square D PKA36060U31 A - 600 A, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D PKA36060U31A, a rugged 600A, 3-pole plug-in molded case circuit breaker designed to deliver dependable overcurrent and short-circuit protection for panelboards and load centers. Built for high-current applications, this breaker keeps critical circuits safe in demanding environments.

Fast, easy installation with a plug-in connection that minimizes downtime during maintenance or replacements. The secure plug-in design ensures reliable electrical contact and straightforward service when you need to swap in a like-for-like unit.

• Thermal‑magnetic trip unit: combines stable thermal overload protection with instantaneous magnetic trip under short-circuit conditions for consistent, repeatable performance.
• 3-pole, 600A rating: ideal for protecting large branch circuits and multi‑phase loads in panelboards and load centers.
• OEM‑to‑OEM compatibility: designed to work with matching Square D load centers and panelboards for seamless integration and reliable operation.
• Versatile applications: suitable for residential, commercial, and light industrial installations where robust current protection is essential.

Technical snapshot

• Manufacturer: Square D
• Part Number: PKA36060U31A
• Type: Thermal‑magnetic molded case circuit breaker
• Amperage Rating: 600A
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Why this breaker matters in your project: when you’re safeguarding large feeders or multiple circuits in panelboards, you need a unit that combines fast serviceability, proven protection, and reliable compatibility. The Square D PKA36060U31A delivers precise trip performance, reduces downtime during maintenance, and ensures your electrical system stays protected under heavy load. It’s the right choice for contractors and facilities managers who value safety, durability, and straightforward upgrades in high-current installations.

Available through AmpState, your source for genuine Square D components and OEM-compatible replacements. If you’re upgrading aging equipment or stocking panels for new builds, this 600A, 3-pole plug-in breaker offers the protection you can trust for residential, commercial, and light industrial panel systems.