Westinghouse | HFD3110W | Circuit Breaker | 110A | 3-Pole | 600V

The Westinghouse HFD3110W is a purpose-built circuit breaker engineered for demanding electrical systems. With a 110A rating across 3 poles and a 600V maximum, this unit is designed to safeguard multi-wire circuits in commercial, industrial, and retrofit applications. Built for reliability in maintenance, retrofit, and replacement projects, it helps you maintain safe, code-compliant power distribution without sacrificing performance.

Key specifications at a glance

• Amperage: 110A
• Poles: 3-Pole
• Voltage rating: 600V
• Part number: HFD3110W
• Application: Replacement, retrofit, and maintenance where matching specs are required

Why this Westinghouse breaker stands out

Designed to fit specific panel configurations, the HFD3110W prioritizes compatibility and dependable protection. Its 3-pole design makes it ideal for three-phase systems or shared-neutral feeds, helping to isolate faults quickly and minimize downstream damage. The 110A rating is well-suited for circuits with substantial continuous loads, such as commercial lighting banks, HVAC feeders, and equipment outlets, ensuring both safety and performance under normal and fault conditions.

Fit, compatibility, and installation guidance

• Always confirm fit and ratings against your panel labeling before ordering. The HFD3110W part number is the most reliable reference for compatibility.
• Use in applications where a 3-pole, 110A protective device is specified for 600V systems.
• Follow standard electrical practices for replacement: de-energize the circuit, verify absence of voltage, and secure proper torque on terminations.

Practical use cases

• Maintenance and servicing of legacy Westinghouse panels that require a like-for-like 3-pole, 110A 600V breaker.
• Retrofits in light industrial setups where three-phase circuits demand reliable overcurrent protection without complex rewiring.
• Replacement of aging breakers in commercial electrical rooms to restore safe interruption and minimize downtime.

Choosing the Westinghouse HFD3110W means prioritizing precise compatibility, straightforward replacement, and consistent protection for your 600V systems. Keep the part number handy during ordering and consult your panel’s spec label to ensure a seamless fit that preserves safety and performance across your electrical infrastructure.