Square D FA34100G 100A 3-Pole 480 V Circuit Breaker

Square D FA34100G 100A 3-Pole 480 V Circuit Breaker is engineered to safeguard three‑phase power distribution in demanding commercial and industrial environments. This 3-pole device delivers reliable overcurrent protection for circuits operating at up to 480 V with a 100 A load rating, helping protect wiring, equipment, and personnel.

Designed for seamless integration into Square D panels, the FA34100G provides balanced protection across all three phases. The three‑pole configuration is ideal for motor circuits, HVAC systems, conveyors, and other demanding loads where stable, three-phase performance is essential for reliable operation and safe startup transients.

Key specifications at a glance

• Current rating: 100 A
• Poles: 3
• Voltage rating: 480 V
• Part number: FA34100G
• Brand: Square D

Why this breaker matters for your system

• Protects feeders and motors from overcurrent conditions, reducing the risk of insulation damage and equipment wear
• Three‑phase protection ensures balanced tripping behavior, supporting smoother motor starting and consistent performance
• Durable, field‑reliable design from a trusted electrical protection brand aids in minimizing unplanned outages

Ideal use cases

• Industrial panels and switchgear feeding three‑phase motors in manufacturing lines
• Large commercial HVAC and climate control systems requiring reliable 3‑phase protection
• Power distribution points in warehouses, data centers, and processing facilities where 480 V systems are common

Installation and compatibility tips

• Verify that your panel is designed to accept FA‑series, 3‑pole, 480 V breakers and that the bus and mounting style match the FA34100G
• Match the breaker to the panel’s catalog specifications and applicable electrical codes
• Install by a licensed electrician, following proper lockout/tagout procedures and local safety requirements

With the Square D FA34100G, you get dependable three‑phase protection that aligns with mid‑to‑large scale power distribution needs. It’s a precise, purpose‑built solution for professionals who won’t compromise on safety, reliability, or performance in 480 V systems.