Westinghouse HFB3110 - 110A, 3-Pole, Circuit Breaker

Meet the Westinghouse HFB3110, a robust 110A, 3-pole circuit breaker built for dependable overcurrent protection in three-phase electrical systems. Designed for panelboards, switchboards, and control panels, this unit is a trusted choice for industrial, commercial, and OEM environments where safe, consistent power distribution is non-negotiable.

Why this 3-Pole design matters

The 3-pole configuration provides simultaneous protection across all three phases in your three-phase circuits. This means reduced risk of unbalanced loads, improved motor protection, and quicker, coordinated shutoff during fault conditions. Whether you’re guarding feeders, motors, or logic-controlled equipment, this breaker keeps critical systems safe and operational.

Key benefits that set the HFB3110 apart

• 110 A current rating delivers reliable protection for high-load circuits, helping prevent equipment damage and costly downtime.
• Three-pole architecture enables comprehensive three-phase protection, essential for motors, compressors, and other three-phase loads.
• Versatile installation footprint suited for panelboards, switchboards, and control panels in both new builds and retrofits.
• Industrial-grade reliability designed to perform in demanding environments where dependable overcurrent protection is critical.
• OEM-ready and compatibility-focused ideal for manufacturers integrating robust protection into custom equipment and distribution centers.

Ideal use cases and applications

• Industrial motor control centers and heavy-duty feeders in manufacturing plants.
• Commercial distribution panels that manage multiple three-phase circuits.
• OEM equipment assemblies requiring proven, consistent overcurrent protection.
• Control panels for processing lines, pumps, fans, and HVAC systems where three-phase protection is essential.

What makes it a smart choice for you

Choosing the Westinghouse HFB3110 means investing in a trusted breaker that prioritizes safety and continuity. With a 3-pole design and a solid 110 A rating, it’s well-suited to protect costly motors and power feeds without introducing unnecessary complexity. Its straightforward integration into panelboards and switchgear helps keep installations neat, compliant, and easy to service.

Specifications at a glance

• Current rating: 110 A
• Poles: 3-Pole
• Breaker type: Circuit Breaker

Practical tips for installation and care

• Plan for three-phase protection by ensuring your downstream equipment is wired to all three poles for balanced protection.
• During installation, verify torque and mounting fit within your panel or switchboard’s specifications to maintain reliable electrical contact.
• Regularly inspect for signs of wear or overheating and replace after any fault trip to maintain optimal protection performance.