Square D | QBL32100YP | Circuit Breaker | 100A | 3-Pole | 240V

Meet the Square D QBL32100YP circuit breaker — a precise, purpose-built solution for protecting your 3‑pole, 240V electrical circuits with 100 amps of reliable overcurrent protection. Designed for maintenance, retrofit, and replacement projects where exact specifications matter, this unit slides into compatible panels to restore safe, uninterrupted power quickly.

Key specifications

• Amperage: 100 A
• Poles: 3‑Pole
• Voltage: 240V
• Part number: QBL32100YP

Why this breaker stands out

When your panel calls for an exact fit, the QBL32100YP delivers. It aligns with Square D’s trusted protection approach, ensuring consistent behavior across your distribution network. This isn’t a generic substitute — it’s a direct-match component designed to integrate with the existing protective scheme in panels that require a 3‑pole, 240V 100A breaker.

Ideal use cases

• Maintenance: replace a failing breaker to restore safe operation of your 3‑phase loads.
• Retrofit: upgrade or reconfigure panel layouts that require 100A, 3‑pole, 240V protection.
• Replacement: swap in a like‑for‑like unit to maintain original electrical characteristics and panel compatibility.

Fit, compatibility, and buying tips

Important: confirm fit and ratings before ordering. The part number is the best reference for compatibility. If your panel labeling lists QBL32100YP or an equivalent 100A, 3‑pole, 240V requirement, this breaker is designed to align with that specification and restore proper protection without surprises. Always refer to your panel’s documentation and verify that the replacement maintains the same interrupting capability and configuration.

Installation and safety

Electrical work should be performed by a qualified professional. Ensure the panel is de‑energized, follow applicable electrical codes, and use proper lockout/tagout procedures. This breaker is intended for standard replacement in compatible Square D panels and should be installed in accordance with local safety regulations to maintain safe, reliable operation.