Westinghouse CA3125X - 125A, 240VAC, 3-Pole, Circuit Breaker

Power systems demand dependable protection. The Westinghouse CA3125X 125A, 240VAC, 3-Pole circuit breaker is built to safeguard three-phase installations with consistent, predictable performance.

Designed for use in panelboards, switchboards, and control panels, this 3-Pole unit provides coordinated overcurrent protection across all phases in industrial, commercial, and OEM applications. It’s rated for 125A continuous operation at up to 240VAC, making it a suitable choice for distributing power to motors, drives, and other three-phase equipment.

Key specifications

• Current rating: 125A
• Voltage rating: 240VAC
• Poles: 3-Pole
• Type: Circuit Breaker
• Applications: panelboards, switchboards, and control panels

Why choose the CA3125X for your three-phase protection?

• Reliable overcurrent protection for three-phase circuits, helping prevent equipment damage and downtime across motors, pumps, and conveyors
• Flexible integration into standard distribution infrastructure with a compact 3-pole design that fits panelboards and motor control centers
• Consistent Westinghouse engineering and availability of replacement parts and service support

Ideal use cases

The CA3125X is well-suited for:

• Industrial manufacturing panels where three-phase power distribution must be protected at 125A
• Commercial electrical rooms housing motor-driven equipment and controlled loads
• OEM equipment enclosures requiring dependable, easy-to-source protection for 240VAC three-phase circuits

Practical considerations

When selecting this breaker, ensure your equipment and enclosure are rated for 125A and 240VAC, and that the solution matches the three-pole configuration required by your three-phase system. As with all protective devices, verify replacement parts and compatibility with your existing panelboard or switchboard before installation.