CA3125Y | Circuit Breaker | 125A | 3-Pole | 240V

The CA3125Y is a rugged industrial circuit breaker engineered for dependable protection of 3‑phase systems. With a 125A rating and 240V operation, this 3‑pole device is built to interrupt fault currents quickly across all phases, helping to safeguard equipment and maintain safe, reliable power in demanding environments.

Designed for maintenance, retrofit, and replacement projects, the CA3125Y offers a straightforward path to bring aging or mismatched panels back up to code and performance standards. When you’re upgrading a 3‑phase installation or replacing a worn component, this breaker provides an exacting level of compatibility—ensuring smooth integration with existing gear and wiring layouts.

Key specifications

• Amperage: 125A
• Poles: 3‑Pole
• Voltage: 240V
• Reference note: Part number CA3125Y is the best reference for compatibility

Why choose the CA3125Y

• Triple‑pole protection: Ensures simultaneous disconnection of all three phases, reducing the risk of unbalanced faults and providing safer shutdown in fault conditions.
• Exact compatibility path: Ideal for maintenance, retrofit, and replacement where precise specs matter. The part number serves as your primary reference for fitment.
• Reliability in industrial settings: Built to withstand the rigors of commercial and industrial electrical loads, delivering consistent overcurrent protection when it matters most.
• Streamlined upgrades: Fits into existing 3‑phase panels without reconfiguring downstream wiring, helping minimize downtime during service or modernization.

Ideal use scenarios

• Replacing a worn or obsolete 3‑pole breaker in a service panel or switchgear cabinet
• Retrofits where 125A, 3‑phase protection is required to support updated equipment or safety standards
• Maintenance upgrades in facilities with heavy three‑phase equipment, motors, or processing lines

Practical tips for installation and care

• Verify fitment: Always confirm compatibility using the CA3125Y part number as your primary reference before ordering or installation.
• Plan for safety: Follow standard lockout/tagout procedures and ensure power is fully de-energized during replacement.
• Consult documentation: Review your panel or equipment manufacturer guidelines to ensure the interrupting capacity and mounting compatibility align with this breaker.
• Stock for downtime: Keep the CA3125Y on hand as a ready replacement to minimize panel downtime in critical industrial applications.

With the CA3125Y, you gain robust, three‑phase protection tailored for maintenance, retrofit, and replacement tasks—delivering reliable performance where uptime and safety are non‑negotiable.