Eaton 65KA - 100A, 480VAC, 3-Pole, Circuit Breaker

The Eaton 65KA—100A, 480VAC, 3-Pole Circuit Breaker is built for demanding industrial environments where dependable overcurrent protection is essential. With a 65 kA interrupting capacity, this breaker is ready to safely interrupt high fault currents, helping protect both equipment and personnel in even the toughest installations. The 3-pole design delivers true three-phase protection, making it a natural fit for modern panelboards, switchboards, and control panels that power motors and critical processes.

Key specifications at a glance

• Current rating: 100 A
• Voltage rating: 480 VAC
• Poles: 3-Pole
• Interrupting capacity: 65 kA at 480 VAC
• Type: Circuit Breaker

Ideal applications

• Panelboards and switchboards in industrial facilities that run three-phase equipment
• Motor control centers (MCCs) and feeders where reliable protection keeps production moving
• Control panels in commercial environments and OEM equipment that require robust 480 VAC performance

Why this Eaton 65KA 3-Pole breaker stands out

• High fault current protection: A 65 kA interrupting rating means the breaker can safely interrupt demanding fault conditions, reducing the risk of damage downstream.
• Three-phase reliability: The 3-Pole configuration ensures synchronized disconnection of all phases, preserving system integrity and preventing partial energization that can harm equipment.
• Versatility in 480 VAC systems: Designed for common industrial power rails and distribution schemes, making it a straightforward fit for new builds and retrofits alike.
• Industry-appropriate performance: Engineered to support continuous operation in distribution panels and motor control centers, helping minimize downtime and maintenance needs.

Practical use cases and practical tips

For facilities with 3-phase motors and automated lines, install the Eaton 65KA in main distribution panels to provide fast, coordinated protection across all three phases. In OEM equipment, this breaker offers a reliable protection point for power electronics, drives, and hydraulic or pneumatic controls that rely on stable 480 VAC service.

When planning upgrades, consider pairing this breaker with compatible Eaton panelboards or switchgear to ensure optimal trip coordination and ease of maintenance. Maintain clear labeling of the 100 A rating and 480 VAC capability to support quick diagnostics during routine service checks.

Overall, the Eaton 65KA 3-Pole Circuit Breaker is a purpose-built solution for engineers and maintenance teams seeking durable, three-phase protection in facilities and equipment operating at 480 VAC. It delivers clear benefits: precise overcurrent protection, rapid fault isolation, and dependable performance in motor-heavy, three-phase environments.