Square D | UBIZ0240 | Circuit Breaker | 2-Pole

Meet Square D UBIZ0240, a 2-Pole circuit breaker engineered for durable overcurrent protection in maintenance, retrofit, and replacement projects where exact specs matter. This UBIZ0240 is built to drop into compatible panels with the confidence that comes from using the manufacturer’s own part reference.

Important: Confirm fit and ratings before ordering. The part number UBIZ0240 is the best reference for compatibility.

Why this 2-Pole breaker stands out

• Two-pole protection for simultaneous interruption on two conductors, making it suitable for multi-wire branch circuits and two-hot-leg configurations.
• Direct reference for compatibility — use the UBIZ0240 part number as your primary cross-check to ensure a precise fit.
• Maintenance, retrofit, and replacement ready — designed to align with existing Square D systems, simplifying upgrades without panel modifications.
• Reliable protection from a trusted brand, built to deliver consistent performance when you need it most.
• Clear fit guidance — notes emphasize matching the device to your panel’s ratings and specifications before purchase.

Ideal use cases

If you’re upgrading an aging panel, sourcing a replacement for a failed breaker, or performing a retrofit to support a new circuit, the UBIZ0240 provides the exact match you need when the specification demands a 2-Pole device. This part is particularly well-suited for installations where two conductors require simultaneous protection and quick, dependable tripping.

Practical tips for choosing and installing

• Always verify the amperage rating and interrupting capacity stated for your panel and the UBIZ0240 before purchasing. The right rating ensures safe operation and code compliance.
• Cross-check your panel’s model family and labeling, using the UBIZ0240 part number as your primary compatibility guide.
• During installation, follow standard electrical safety practices: de-energize equipment, wear protective gear, and consult the panel’s documentation for proper torque specs and wiring diagrams.