Eaton Cutler-Hammer CA3125X 125A 3P 240V Circuit Breaker, Bolt-On | AmpState

Engineered for dependable protection in everyday electrical work, the Eaton Cutler-Hammer CA3125X is a 125A, 3-pole, 240V bolt-on circuit breaker designed for panelboards, load centers, and electrical distribution systems. This model shines in replacement projects and is an ideal spare to keep your BOM aligned with the original part number.

• Amperage: 125 A — balances robust protection with compatibility across standard residential, commercial, and light industrial circuits.
• Poles: 3-Pole configuration — suitable for three-phase systems common in commercial and industrial panels.
• Voltage: 240V — aligns with typical distribution panel specifications.
• Type: Bolt-On — ensures a secure, solid connection to the panel bus for reliable performance.
• Applications: Ideal for panelboards, load centers, and electrical distribution setups; a practical choice for both new installations and field replacements.
• Part Number: CA3125X from Eaton Cutler-Hammer — maintain compatibility with the original protection scheme and other Eaton devices.
• Availability: Available from AmpState — reliable sourcing for parts and replacements.

Why this CA3125X stands out: its bolt-on design delivers a straightforward, secure installation in compatible panels, reducing retrofit complexity during replacements. The 125A rating is well-suited for protecting feeders and branch circuits in medium-load environments, while the three-pole configuration supports balanced three-phase distribution without compromising safety or performance.

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit for your specific panel and system configuration.