Cutler-Hammer EH2040 Circuit Breaker, 40A, 2-Pole, 480V

The Cutler-Hammer EH2040 is a rugged two-pole circuit breaker engineered for industrial electrical service, maintenance, and replacement projects. With a 40 A rating and 480 V compatibility, this unit delivers reliable overcurrent protection for demanding environments while fitting seamlessly into standard two-pole panels.

Key specifications at a glance

• Amperage: 40 A
• Poles: 2
• Voltage: 480V
• Manufacturer: Cutler-Hammer
• Part Number: EH2040

Ideal use cases

• Industrial electrical service panels that require reliable 40‑amp protection for 480V circuits.
• Maintenance and service work where a direct, drop-in replacement for existing EH2040 units is needed to minimize downtime.
• New installations in manufacturing lines, motor control centers, and power distribution enclosures where robust protection is essential.

What makes this breaker stand out

• Direct compatibility via part number: Verify fit by EH2040 part number and confirm it meets your application requirements before installation.
• Industrial-grade reliability: Built for continuous duty in demanding environments, helping to reduce unexpected outages.
• Consistency across fleets: A standard two-pole design that aligns with common industrial panels, simplifying stocking and replacement processes.
• Clear specification alignment: Rated for 480V systems, making it suitable for high-voltage distribution scenarios common in manufacturing and processing facilities.

How to verify compatibility

Before installation, confirm that the EH2040 matches your panel’s bus connects, enclosure type, and operating requirements. Match the part number exactly and ensure the device supports the intended circuit configuration and voltage class. If you’re unsure about fit or compatibility, reach out for expert assistance to verify the correct part for your specific panel and application.

Installation and safety considerations

Installers should follow all applicable electrical codes and the Cutler-Hammer installation guidelines. Power should be fully de-energized and locked out before replacement. Ensure proper mounting orientation, secure connections, and compliant enclosure clearance. When in doubt about torque specifications or wiring procedures, consult the product documentation or a qualified electrician.

Why choose the Cutler-Hammer EH2040 for your project

For teams handling industrial projects, the EH2040 offers a dependable, mid-range protection solution that aligns with common 480V systems and 2-pole configurations. Its compatibility with standard panels simplifies procurement and maintenance workflows, helping you reduce downtime and keep critical equipment safeguarded. If you need help confirming compatibility or locating the exact match for your application, message us and our specialists will assist in identifying the right part number and setup.