Eaton QC2040 - 40 A, 240 V, 2-Pole Circuit Breaker | AmpState

The Eaton QC2040 is a 40 A, 240 V, 2-pole molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection right in your panelboards and loadcenters. Its compact form saves valuable space, making it a practical choice when panel real estate is at a premium while still providing solid protection for your electrical circuits.

Key features that matter in the real world

• Compact molded case design maximizes panel space without sacrificing protection or reliability.
• Thermal-magnetic trip unit delivers stable, repeatable protection performance for both sustained overloads and sudden short circuits.
• OEM compatibility is built to work seamlessly with matching Eaton OEM loadcenters and panelboards, facilitating straightforward installation and replacement.
• Versatile applications suitable for residential, commercial, and light industrial environments that require reliable, quick-protection solutions.

Technical specifications

• Manufacturer: Eaton
• Part Number: QC2040
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 40 A
• Voltage Rating: 240 V
• Number of Poles: 2
• Application: Branch circuit overcurrent and short-circuit protection

Why this breaker is a smart choice

Choosing the QC2040 means pairing your panel with a breaker designed to perform consistently under real-world conditions. The thermal-magnetic trip mechanism reacts to overloads with a controlled, predictable response while rapidly acting on short circuits to minimize damage and electrical disturbance. The 2-pole design is ideal for 240 V circuits and multi-wire branch circuits that require simultaneous disconnection of both hot conductors, enhancing safety and code compliance.

Ideal use scenarios

• Replacing a worn or failed breaker in existing Eaton panels and loadcenters without compatibility concerns.
• Adding or upgrading branch circuits in residential basements, garages, or home offices where space efficiency matters.
• Light commercial installations that demand dependable, easy-to-service protection for 240 V circuits.

With the Eaton QC2040, you get a purpose-built, space-conscious solution that aligns with Eaton’s panelboard ecosystems while delivering dependable protection for everyday electrical needs. This is a practical, reliable choice for electricians and DIYers who value compatibility, precise protection, and streamlined panel design.