HFD3040L | Circuit Breaker | 40A | 3-Pole | 600V

Meet the HFD3040L, a rugged industrial circuit breaker engineered to protect your 3-phase power circuits with precision and reliability. When you need a direct, drop-in replacement or a retrofit to modernize an aging panel, this 3-pole 40A breaker is built to handle demanding industrial environments up to 600V.

Key specifications

• Amperage: 40A
• Poles: 3-Pole
• Voltage rating: 600V

Why this breaker stands out

• Designed for maintenance, retrofit, and replacement projects where exact specs matter, reducing downtime and rework.
• 3-Pole configuration ensures balanced protection across all three phases, essential for motor drives, compressors, and heavy equipment.
• Industrial-grade construction supports stable performance in harsh environments and aligns with common control panel architectures.
• Using the part number HFD3040L as the primary compatibility reference helps ensure you’re selecting the right device for your specific panel and wiring scheme.

Practical applications and use cases

• Motor control centers and distribution panels needing 40A protection on a 3-phase circuit.
• Retrofits where replacing like-for-like components minimizes changes to wiring, mounting, and bus fittings.
• Preventive maintenance upgrades that standardize protective devices across a facility.

Important compatibility notes

Notes: Confirm fit and ratings before ordering. The part number is the best reference for compatibility, so use HFD3040L to verify against your panel’s specifications and duty cycle.

Designed to shield expensive motors, drives, and critical circuits from overcurrent and short-circuit events, the HFD3040L simplifies spare-part inventories with a clearly identified, reliable component. When exact specifications matter for reliability and safety in industrial settings, this 40A, 3-Pole, 600V circuit breaker delivers consistent protection and easy integration into your existing systems.