Square D QJA32100 - 100 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D QJA32100: a 100 A, 240 V, 3-pole plug-in molded case circuit breaker designed to protect your panelboards and load centers from overcurrent and short circuits. Built for dependable performance in residential, commercial, and light industrial settings, this breaker plugs into compatible OEM panels for fast, downtime-minimizing service.

• Fast plug-in connection for quick installation and effortless replacement in existing panels.
• Thermal-magnetic trip unit provides stable, repeatable protection against both overloads and short circuits.
• 3-pole, 100 A at 240 V configuration suits multi-wire and 3-phase distribution in panelboards.
• OEM-compatible with matching Square D load centers and panelboards, preserving listed protection sequences.
• Molded case, plug-in design minimizes installation downtime and simplifies service.
• Durable construction for busy commercial and light industrial environments.

Technical snapshot

• Manufacturer: Square D
• Part Number: QJA32100
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 100 A
• Voltage Rating: 240 V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Who benefits most

• Electrical professionals upgrading or stocking OEM panels that use QJA breakers
• Facilities seeking reliable protection for 3-pole, 240 V distribution in commercial or light industrial spaces
• Installers prioritizing fast service turnaround and compatibility with existing panel labeling

When you choose the Square D QJA32100, you’re selecting a trusted solution from a brand known for consistent protection performance. AmpState stands behind this plug-in circuit breaker as a robust option for ensuring branch circuits stay safely energized while minimizing downtime during replacements or panel upgrades.