Eaton HFWF3040L Circuit Breaker, 40A, 3-Pole

Engineered for rugged industrial environments, the Eaton HFWF3040L is a 40 A, 3-pole circuit breaker designed to protect 3-phase electrical circuits in service, maintenance, and replacement projects. Use the part number HFWF3040L to confirm compatibility with your application and enclosure.

Key advantages that matter in real-world installations:

• Precise 40-amp, three-pole protection. Supports all legs of a 3-phase system, helping prevent equipment damage and unplanned downtime in motors, pumps, and conveyors.
• Direct-fit compatibility check. Verify fit by part number (HFWF3040L) against your panel or enclosure requirements to ensure proper mounting, termination, and operating fit.
• Streamlined maintenance and replacement. When upgrading or replacing aging breakers in industrial panels, this unit offers a straightforward, reliable option within Eaton’s ecosystem, reducing field downtime.
• Designed for demanding industrial service. Ideal for motor control centers, process lines, and other heavy-use installations where robust, dependable overcurrent protection is essential.
• Proactive compatibility support. If you’re unsure about fit, message us with your part number and application requirements and we’ll help confirm compatibility.

What to consider when ordering:

• Amperage and poles: 40 A, 3 poles (3-phase protection).
• Part number: HFWF3040L is the reference you’ll use to verify compatibility with your equipment.
• Application requirements: Confirm your system’s voltage, current demands, and installation context to ensure safe operation.

In practical terms, the Eaton HFWF3040L helps you safeguard critical three‑phase loads—such as motors, pumps, and drives—while fitting seamlessly into compatible Eaton panels and replacement scenarios. Ready to validate the fit for your specific panel or process? Reach out with the HFWF3040L part number and your application details, and we’ll help confirm the best, exact match for your needs.