Westinghouse | HFD4100L | Circuit Breaker | 100A | 4-Pole | 600V

Protect essential equipment and keep critical circuits safe with the Westinghouse HFD4100L Circuit Breaker. This 100A, 4-Pole unit is engineered for 600V systems, making it ideal for commercial and light industrial panels that demand reliable, simultaneous disconnection of all live conductors in multi-phase circuits.

Key benefits at a glance

• 100-ampere protective capacity tailored for feeder and branch circuits in 3-phase setups
• 4-Pole design ensures all three hot legs plus neutral disconnect together, enhancing safety and simplifying panel interlock behavior
• 600V maximum voltage rating supports higher-voltage distribution schemes
• Genuine Westinghouse replacement part with precise compatibility through part number HFD4100L
• Designed for maintenance, retrofit, and replacement when your system requires exact specs

Why this Westinghouse HFD4100L is the right choice

When service continuity matters, this breaker delivers a dependable fit for panels that list HFD4100L as the compatible unit. It’s built to slot into compatible Westinghouse configurations without guesswork, reducing downtime during maintenance or upgrades.

Practical use cases

• Replacing a worn or damaged 4-pole 600V breaker in a 3-phase panel to restore full circuit protection
• Retrofits where your existing equipment requires an exact 100A, 4-pole, 600V device for code compliance
• Maintenance cycles in commercial facilities with 3-phase electrical distribution that rely on rapid, reliable shutoff of all live conductors

Important compatibility notes

Before ordering, confirm fit and ratings match your panel's listing. The part number HFD4100L is the best reference for ensuring compatibility with your Westinghouse system and with other components designed for this spec.