Eaton | HKD3100X | Circuit Breaker | 100A | 3-Pole | 600V

Eaton HKD3100X Circuit Breaker is a precision 3‑pole protection device designed for 3‑phase electrical systems. With a 100A rating and a 600V maximum, this breaker delivers reliable current interruption and overload protection for panels, feeders, and motor circuits where precise specifications matter. The HKD3100X is specifically suited for maintenance, retrofit, and replacement projects, and the part number itself serves as the strongest reference for compatibility.

Key specifications

• Amperage: 100A
• Poles: 3-Pole
• Voltage rating: 600V
• Part number: HKD3100X

Why this model stands out

This breaker is built to align with Eaton’s HKD family framework, ensuring a dependable fit in panels engineered for 3‑phase distribution. Its 100A capacity makes it ideal for protecting moderate‑load feeders and motor circuits, while the 600V rating covers a broad range of industrial and commercial applications. For retrofit projects, using the HKD3100X preserves electrical coordination and panel characteristics, reducing the risk of mismatched protection settings.

Ideal use cases

• Replacing a worn or failed breaker in an existing Eaton HKD‑equipped panel
• Upgrading a 3‑phase feeder or motor circuit to 100A within a 600V system
• Retrofits where exact spec alignment is required to maintain safety and performance

Selection tips

• Always verify fit and ratings before ordering; the HKD3100X part number is the most reliable compatibility reference
• Confirm that your panel or switchboard is designed to operate at 600V and supports 3‑pole protection
• If possible, match the breaker's trip characteristics and coordination with nearby devices to maintain selective protection