Square D | KCP34100 | Circuit Breaker | 100A | 3-Pole | 480V

Square D KCP34100 Circuit Breaker is a purpose-built protective device rated at 100A, 3-Pole, for use with 480V three-phase systems. Crafted for maintenance, retrofit, and replacement projects, this breaker ensures exact compatibility with Square D equipment when you need to match specifications precisely.

• Exact compatibility: Rely on the KCP34100 part number to ensure a precise fit in Square D panels that require KCP-series breakers.
• Three-pole, 480V protection: A three-phase design that safeguards motors, drives, and other equipment operating at 480V, promoting coordinated protection across your distribution network.
• 100A current rating: Ideal for medium-to-heavy load circuits common in industrial settings, enabling reliable overcurrent protection for sizable equipment without unnecessary trips.
• Retrofit and replacement ready: Perfect for updating aging panels or standardizing protection across facilities where 480V, 3-pole protection is required.
• Smart purchasing note: Before ordering, confirm your panel’s labeling supports 480V operation and 3-pole configurations, and verify that this KCP34100 aligns with your setup’s required interrupting behavior and bus interface.

This model is especially well-suited for manufacturing floors, warehouse automation, HVAC systems, and other environments where reliable 480V, three-phase protection matters. By choosing the KCP34100, you’re selecting a breaker that not only fits—but also aligns with Square D’s design philosophy for dependable, easy-to-maintain electrical protection.

Practical tips for installers and maintenance teams: keep a spare KCP34100 on hand to reduce downtime during scheduled maintenance or unexpected failures; document the exact part reference in your asset registry to simplify future orders; and always verify panel compatibility and rating labels to ensure a safe, compliant replacement.