The Eaton Cutler‑Hammer BQ230240 is a compact, space‑saving quad (quadplex) circuit breaker designed to deliver reliable overcurrent protection for residential and light commercial electrical systems. Engineered for use in Eaton / Cutler‑Hammer BR‑style load centers, this breaker combines multiple circuits into a single form factor, making it ideal for panel upgrades, remodels, and applications where panel space is limited.

Featuring a unique 30/40 amp configuration, the BQ230240 provides two 30‑amp circuits and two 40‑amp circuits within one breaker body. This allows electricians and maintenance professionals to optimize panel capacity without sacrificing safety or performance. Built to Eaton’s rigorous quality standards, the BQ Series is known for durability, consistent tripping performance, and compliance with applicable electrical codes.

The BQ230240 installs easily using a plug‑on design, ensuring secure bus connection and simplified installation. Whether used in new construction or retrofit projects, this breaker delivers dependable circuit protection for a wide range of branch circuit applications.

Key Features

• Quad (quadplex) breaker design maximizes panel space
• Dual amperage configuration in a single breaker body
• Reliable thermal‑magnetic tripping for overload and short‑circuit protection
• Plug‑on mounting for fast, secure installation
• Designed and manufactured to Eaton Cutler‑Hammer quality standards
• Compatible with Eaton / Cutler‑Hammer BR‑type load centers
• Ideal solution for panel upgrades and high‑density circuit requirements

Specifications

• Manufacturer: Eaton (Cutler‑Hammer)
• Series: BQ
• Model Number: BQ230240
• Breaker Type: Quad / Quadplex
• Amperage Ratings:
  • (2) 30 Amp poles
  • (2) 40 Amp poles
• Number of Poles: 4
• Voltage Rating: 120/240 VAC
• Tripping Mechanism: Thermal‑magnetic
• Mounting Type: Plug‑on
• Load Center Compatibility: Eaton / Cutler‑Hammer BR‑style panels
• Application Rating: Branch circuit protection
• Form Factor: Space‑saving quad breaker design

Applications

• Residential electrical panels with limited available breaker space
• Light commercial load centers requiring multiple branch circuits
• Panel upgrades and remodels where adding circuits is necessary
• Multi‑circuit applications such as HVAC components, appliances, and general lighting
• Replacement of existing Eaton / Cutler‑Hammer BQ series breakers