Cutler-Hammer HFD4040VL Circuit Breaker, 40A, 4-Pole

Introducing the Cutler-Hammer HFD4040VL, a purpose-built circuit breaker designed for demanding industrial electrical service, maintenance, and replacement projects. With a 40 A rating and a 4-pole configuration, it’s engineered to protect modern 3-phase, 4-wire systems with precision and reliability.

The HFD4040VL stands out in environments where downtime costs money. Its four-pole design accommodates three-phase circuits with a neutral, enabling coordinated protection across all conductors and simplifying panel wiring in industrial controls and power distribution.

• Amperage and poles: 40 A, 4 poles, ideal for industrial loads and motor-driven equipment.
• Part-number specificity: Use the exact part number (HFD4040VL) to confirm compatibility with your panel and application requirements.
• Direct applicability: Suited for service, maintenance, and replacement projects where consistent protection and quick part matching are critical.
• Compatibility support: If you’re unsure about fit, you can message us for assistance with matching part numbers and verifying compatibility.

Who benefits most: electrical contractors, facility engineers, panel builders, and maintenance teams tasked with keeping industrial floors running smoothly. This breaker slots into compatible Cutler-Hammer panels or enclosures that accept HFD-series devices, delivering reliable protection for feeders, motors, and distribution circuits.

Why this matters: choosing the correct 4-pole, 40 A breaker reduces nuisance trips, protects wiring from overload, and supports safe maintenance practices in high-demand environments. The HFD4040VL is a drop-in option when upgrading older hardware or implementing new 3-phase installations that require neutral connectivity.

Practical tips:

• Always verify fit by part number and check your panel’s documentation to ensure the HFD4040VL is listed as compatible.
• Keep the exact model handy during replacement to avoid mismatches in trip characteristics or mounting style.
• Coordinate with your electrical team to align the 4-pole breaker with the system’s neutral and grounding scheme for correct operation.

Ready to secure your industrial electrical system with a trusted name? The Cutler-Hammer HFD4040VL is ready for your service, maintenance, or replacement project—order with confidence and confirm compatibility using the part number as your guide.