Westinghouse | HFB3110 | Circuit Breaker | 3-Pole | 600V

The Westinghouse HFB3110 is a 3-pole circuit breaker designed for 3-phase electrical systems, rated up to 600V. Built for reliability in maintenance, retrofit, and replacement projects, it helps you restore or upgrade panel protection quickly and confidently.

Key advantages of the HFB3110 include precise compatibility guided by the part number, robust protection for three-phase circuits, and straightforward integration into existing panels that accept Westinghouse-style breakers.

Core specifications at a glance

• Poles: 3-Pole (three-phase protection)
• Voltage rating: Up to 600V
• Part number: HFB3110 — the best reference for compatibility
• Intended use: Maintenance, retrofit, and replacement in compatible panels

Why it matters for your project

For facilities with three-phase loads, this breaker simplifies upgrading aging protection, reducing downtime during maintenance and ensuring your panel remains code-compliant and protected against overcurrent. The 3-pole design helps coordinate with existing motor starters, compressors, HVAC equipment, and other three-phase machinery.

How to verify fit and install

• Always confirm fit and ratings before ordering — the HFB3110 part number is your best compatibility reference.
• Match the breaker with your panel’s listing to ensure it accepts Westinghouse-style 3-pole 600V breakers.
• Have a qualified electrician perform installation, torque connections to spec, and ensure power is removed during servicing.

Who benefits most

Electrical professionals managing commercial or light industrial panels, facilities engineers overseeing motor-driven equipment, and maintenance teams performing retrofits or replacements will find the HFB3110 a precise, dependable choice for 3-phase protection at 600V.

In short, the Westinghouse HFB3110 3-Pole 600V circuit breaker is built to deliver reliable interruption for three-phase circuits, with a clear path to compatibility using the part number. Keep it in your parts kit for installations where exact fit and robust performance matter.