Cutler-Hammer QPHW2040 Circuit Breaker, 40A, 2-Pole, 240V

Introducing the Cutler-Hammer QPHW2040 circuit breaker—a reliable, industrial-grade solution designed for demanding electrical systems. With a 40 A rating, 2-pole configuration, and 240V operation, this breaker is built to protect vital equipment and circuits in manufacturing floors, service panels, and maintenance projects.

What makes the QPHW2040 stand out

• Industrial-grade protection engineered for the rigors of manufacturing environments, ensuring consistent performance in demanding applications.
• Exact fit for 40 A, 2-pole, 240V circuits using the QPHW2040 part number, helping you select the precise device for your panel or duty cycle.
• Clear compatibility verification—use the part number to confirm fit with your application requirements, and easily verify it matches your panel family and voltage needs.

Key specifications

• Manufacturer: Cutler-Hammer
• Part number: QPHW2040
• Product type: Circuit Breaker
• Amperage: 40 A
• Poles: 2
• Voltage: 240V

Ideal use cases

• Upgrading aging protection in industrial service panels and control panels
• Maintenance and replacement projects where a 40A, two-pole, 240V breaker is required
• New installations that align with Cutler-Hammer QPHW-series compatibility and standardized protection schemes

To ensure seamless compatibility, verify the fit by part number and the specific application requirements. If you need help matching a part number or confirming compatibility, send us a message—we’re ready to help you confirm the right breaker for your setup.

Practical installation and use tips

• Match the breaker to a compatible panel or enclosure that accepts QPHW-series devices and supports 240V, 2-pole protection.
• Before installation, ensure power is fully de-energized and the working environment complies with electrical safety standards.
• Document the part number (QPHW2040) in your maintenance records to simplify future replacements or audits.