Eaton Cutler-Hammer CE3040 40A 3P 480V Circuit Breaker | AmpState

Meet the Eaton Cutler-Hammer CE3040 40A 3P 480V Circuit Breaker — a sturdy, reliable solution engineered for real-world electrical protection in panelboards, load centers, and distribution networks. Designed to keep 3-phase systems safe, this 40-amp, three-pole breaker is ready to guard critical circuits in demanding environments.

Why the CE3040 stands out for 480V three-phase protection

• Three-pole design for 480V systems: delivers consistent overcurrent protection across all phases, ideal for industrial and commercial 3-phase networks.
• Precise 40 A rating: balances circuit protection with downstream equipment performance, helping prevent nuisance trips while safeguarding wiring.
• OEM-aligned replacement: purpose-built to maintain BOM alignment with the original Eaton part number, simplifying spares management and installation planning.
• Trusted Eaton Cutler-Hammer build: part of a long-standing lineage of dependable electrical distribution protection components.

Specifications

• Manufacturer: Eaton Cutler-Hammer
• Part Number: CE3040
• Product Type: Circuit Breaker
• Amperage: 40 A
• Poles: 3
• Voltage: 480V

Ideal use cases

• Replacement projects where maintaining the original BOM is critical, ensuring seamless compatibility with existing panelboards and load centers.
• Spare stocking for facilities with 480V three-phase distribution to reduce downtime during maintenance or unexpected failures.
• New installations or retrofits in industrial environments that require robust upfront protection for 3-phase circuits.

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit, ensuring you get the right CE3040 for your Eaton Cutler-Hammer equipment.

Practical installation considerations

• Verify that your panelboard or load center is rated for 480V and supports a 3-pole configuration before purchasing.
• Keep BOM integrity by pairing the CE3040 with other original-part components to avoid non-compatible substitutions.
• Follow standard electrical safety practices when handling 480V devices, including appropriate PPE and lockout/tagout procedures.