Square D | UBIZ2125 | Circuit Breaker | 125A | 2-Pole | 240V

The Square D UBIZ2125 circuit breaker is a reliable protection device designed for 240-volt applications. With a 125-amp rating and two poles, this unit provides robust, safe interruption for demanding electrical loads while keeping your panel architecture intact. Ideal for maintenance, retrofit, or replacement projects where exact specifications are required, UBIZ2125 helps you maintain consistent protection without unnecessary panel changes.

Key specifications

• Amperage: 125A
• Poles: 2-Pole
• Voltage: 240V

What makes this model special

• Direct-fit replacement for systems that call out the UBIZ2125 part number, reducing guesswork and installation time.
• Clear compatibility reference: the part number is the most reliable indicator for matching your panel’s requirements.
• Designed to protect 240V circuits that rely on a two-pole configuration, ensuring coordinated interruption across both hot conductors.

Ideal use cases

• Maintenance and aging-panel refresh where the original breaker needs replacement with exact same specs.
• Retrofit projects that require maintaining existing load profiles without altering panel design.
• Replacement in installations that explicitly specify 125A, 2-Pole, and 240V circuit protection.

compatibility and installation tips

• Always confirm fit and ratings before ordering. Use the UBIZ2125 part number as the best compatibility reference for your panel.
• Review your panel labeling to ensure a 125A, 2-pole, 240V breaker matches the required specification.
• For safe installation, power down the system, follow standard lockout/tagout procedures, and consult a licensed electrician if needed.