Square D PKA36080U43 A - 800 A, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D PKA36080U43A 800A, 3-pole plug-in molded case circuit breaker — a robust solution designed to safeguard your panelboards and load centers from overcurrent and short-circuit events. Built for dependable, long-term performance, it delivers precise protection where high-current reliability matters most.

• Fast plug-in connection for quick installation or seamless replacement, minimizing downtime during service or upgrades.
• Thermal-magnetic trip unit combines thermal overcurrent protection with an instantaneous magnetic trip for stable, repeatable protection across diverse loads and fault conditions.
• 800A, 3-pole configuration provides strong branch-circuit protection and is suitable for high-current feeders in larger panels.
• Plug-in molded case design ensures solid electrical contact and a compact, field-replaceable form factor that simplifies maintenance.
• OEM compatibility engineered to fit matching Square D load centers and panelboards, ensuring reliable performance and straightforward retrofit or upgrades.

This breaker is ideal for a range of applications, from residential service panels to commercial and light industrial distribution. Use it to protect main feeders or large branch circuits where rugged protection and quick, hassle-free installation are essential. Its 3-pole arrangement helps coordinate protection across three-phase systems, delivering coordinated response in the event of overloads or short circuits.

Why choose this model — The PKA36080U43A stands apart with its combination of high current rating, plug-in convenience, and proven thermal-magnetic protection. It’s designed for technicians who value rapid service, reliable protection, and panel compatibility without sacrificing performance in demanding environments.

Specifications at a glance:

• Manufacturer: Square D
• Part Number: PKA36080U43A
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 800A
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

When planning a retrofit or new installation, pairing this plug-in breaker with compatible Square D panelboards or load centers helps ensure a cohesive protection system. For service professionals, its plug-in design reduces installation time and downtime, while the thermal-magnetic trip unit provides dependable protection against nuisance trips and catastrophic faults alike. For facilities managers and electricians aiming for durable, scalable protection in high-current applications, the Square D PKA36080U43A offers a precise, purpose-built solution.