Square D PGA36100 - 1000 A, 3-Pole Plug-In Circuit Breaker | AmpState

Engineered to protect high-current branch circuits with precision, the Square D PGA36100 is a 1000 A, 3-pole plug-in molded case circuit breaker designed for dependable protection in panelboards and load centers.

Key benefits that matter in the field

• Fast plug-in connection enables rapid installation and straightforward replacement, reducing downtime during maintenance or panel upgrades.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining heat sensing for gradual overloads with magnetic trip for instantaneous response to short circuits.
• Three-pole design supports three-phase systems, providing coordinated protection across all phases in commercial and light industrial applications.
• High-current capability with a 1000 A rating handles heavy feeder circuits and robust electrical loads.
• OEM compatibility designed to be compatible with matching Square D OEM load centers and panelboards for seamless integration.
• Versatile installation suitable for residential, commercial, and light industrial environments where reliable overcurrent and short-circuit protection is essential.

Ideal applications and use cases

Whether you're upgrading an existing panel or stocking spare parts for critical infrastructure, the PGA36100 is a solid choice for main feeders, subpanels, and large distribution circuits. It’s particularly well-suited for situations where high current and quick serviceability matter—industrial rooms, service closets, and multi-tenant facilities that rely on dependable, code-aligned protection.

Installation, compatibility, and how it fits into your panel

This 3-pole plug-in molded case circuit breaker is engineered for plug-in mounting, enabling fast swaps without extensive panel disassembly. It’s intended for use with matching OEM Square D load centers and panelboards, ensuring reliable electrical coordination and compatibility with existing protection schemes. Always verify that your panel accepts the PGA36100 type and amperage, and follow standard electrical safety practices during installation.

Technical snapshot

• Manufacturer: Square D
• Part Number: PGA36100
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 1000 A
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Choose the PGA36100 for a reliable, high-capacity protection solution that blends quick-service plug-in design with precise thermal-magnetic trip performance, tailored for demanding electrical environments. Available from AmpState, it pairs strong protection with straightforward maintenance and compatibility across Square D panel systems.