Eaton | BQ240220 | Circuit Breaker | 40A | 4-Pole | 240V

Eaton BQ240220 40A 4-Pole 240V Circuit Breaker is engineered for dependable overcurrent protection in retrofit, maintenance, and replacement projects where exact specs matter. This genuine Eaton component is designed to fit panels that accept the BQ-series breakers, delivering safe, reliable shutoff across all conductors in a 240V system.

• Amperage: 40 A
• Poles: 4-Pole
• Voltage: 240V
• Part number: BQ240220
• Ideal for: maintenance, retrofit, and replacement needs where matching specs are required

Why choose a 4-pole configuration? In 240V and multi-wire setups, a 4-pole breaker provides simultaneous disconnection of all live conductors, enhancing safety for service technicians and reducing the risk of arc exposure during maintenance. The BQ240220 is built to deliver consistent protection in demanding environments, helping to safeguard equipment and keep critical loads online when you need it most.

Applications and use cases

• Retrofits in commercial or industrial panels that accept BQ-series breakers
• Replacement for aging or failed breakers in 240V multi-wire circuits
• Protection for 3-phase or multi-wire equipment where complete isolation is essential
• Field upgrades in electrical rooms, data centers, or manufacturing spaces requiring reliable 40A protection

Compatibility note: The part number BQ240220 is the best reference for ensuring a proper fit and ratings. Before ordering, verify that your panel accepts BQ-series breakers and that 40A, 4-pole, 240V specifications match your installation requirements.

Installation and safety guidance: Have a licensed electrician perform any replacement or retrofit. Always de-energize the panel and follow local electrical codes. Use genuine Eaton replacement parts to maintain system integrity and warranty coverage.

With the Eaton BQ240220, you get a purpose-built, durable solution for precise overcurrent protection in modern electrical systems — a dependable choice for technicians who demand accuracy, reliability, and safety in every disconnect.