Westinghouse | HFA3100 | Circuit Breaker | 100A | 3-Pole | 600V

Westinghouse HFA3100 Circuit Breaker is a trusted three‑phase protective solution designed for reliability in maintenance, retrofit, and replacement projects. This 100A, 3‑pole unit delivers dependable interruption for circuits up to 600V, helping keep industrial and commercial electrical systems safe and downtime minimal.

Key specifications at a glance

• Amperage: 100A
• Poles: 3‑Pole
• Voltage rating: 600V
• Part reference: HFA3100

Why this Westinghouse breaker stands out

• The HFA3100 part number is your best guide when confirming fit for your panel or enclosure, helping avoid mismatches during replacements or upgrades.
• Three‑pole protection for true three‑phase systems: A 3‑pole design ensures all live conductors can be disconnected simultaneously, reducing the risk of phase imbalances during fault conditions.
• Versatile for multiple scenarios: Perfect for routine maintenance, panel retrofits, or component upgrades where a robust, code‑compliant 600V protective device is required.
• Durable, purpose‑built for panel replacements: Engineered to slot into compatible Westinghouse and retrofit environments where precise amperage and voltage ratings matter most.

Who should consider this model

• Electrical contractors performing panel maintenance or upgrades in industrial facilities, warehouses, and commercial spaces.
• Facility managers planning preventive replacements to keep critical equipment protected.
• Maintenance teams refreshing legacy panels that require a reliable 100A, 3‑pole, 600V circuit protection device.

Installation and compatibility notes

Before ordering, confirm fit and ratings against your panel specifications. The part number HFA3100 is the most reliable reference for compatibility, ensuring seamless installation and proper protection alignment with your system. Always follow local electrical codes and best practices, and rely on a licensed electrician for installation and testing.

Practical tips for optimal performance

• Keep a spare HFA3100 on hand for proactive maintenance in high‑demand environments where downtime is costly.
• Document the replacement part number in your asset management records to streamline future service visits.
• When upgrading to 600V systems, verify that adjacent components and wiring insulation are rated appropriately for the voltage level.