Square D PLA34120 - 1200 A, 480 V, 3-Pole Plug-In Circuit Breaker | AmpState

Square D PLA34120 from AmpState is a 1200A, 480V, 3-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short‑circuit protection in panelboards and load centers.

Designed for fast, field-ready installation, the PLA34120 features a rapid plug-in connection that reduces downtime during installation or replacement. Its thermal-magnetic trip unit provides stable, repeatable protection performance, adapting quickly to varying fault currents to help safeguard valuable equipment and prevent electrical fires.

• Plug-in mounting for straightforward, tool-free installation and easy replacement in compatible panelboards and load centers
• Thermal-magnetic protection delivers precise tripping response for both overloads and short circuits
• 3-pole design suitable for 3-phase systems operating at up to 480V
• 1200A rating supports high-demand circuits and heavy-load feeders
• OEM-compatible guaranteed fit with matching Square D panelboards and load centers
• Versatile application appropriate for residential, commercial, and light industrial environments

Use cases include upgrading or adding feeder protection in commercial panelboards, replacing aging breakers in industrial load centers, or provisioning 3‑phase circuits in new builds where reliable, plug‑in protection is essential. The PLA34120 is a practical choice when you need a robust, compatible solution that integrates seamlessly into a coordinated Square D protection system.