Square D | QJA32100 | Circuit Breaker | 3-Pole

Square D QJA32100 3-Pole Circuit Breaker is your precise, maintenance-ready protection device for three-phase systems. Identified by the exact part number QJA32100, this breaker is designed for situations where exact compatibility matters—maintenance, retrofit, and replacement projects that demand a flawless fit.

Designed for reliability in demanding electrical environments, this 3-pole circuit breaker provides robust protection across three conductors, simplifying panel upgrades and ensuring consistent protection coordination. When the goal is to minimize downtime and avoid guesswork, this part-number–based solution shines.

• Exact compatibility — identified by the part number QJA32100, giving you a precise reference for your replacement needs.
• 3-Pole configuration — suitable for three-phase circuits, delivering coordinated protection across multiple poles.
• Maintenance, retrofit, and replacement — ideal when you must match existing specs exactly to preserve system behavior.
• Important note — confirm fit and ratings before ordering; the part number is your best reference for compatibility.

Use cases and practical tips

• Ideal for facilities performing panel maintenance or upgrades where a precise QJA32100 match is required.
• Helpful for technicians who maintain or retrofit Square D panels and circuits that rely on a strict 3-pole protection scheme.
• Before purchasing, cross-check your panel labeling and documentation to ensure the QJA32100 3-pole breaker is the correct fit for your exact panel model and electrical ratings.

Choose the Square D QJA32100 3-Pole Circuit Breaker when you need an unambiguous, exact-match component that keeps your three-phase protection consistent, reduces rework, and aligns with your documented specifications.