BQ240240 - Quadplex 40/40 Circuit Breaker

BQ240240 - Quadplex 40/40 Circuit Breaker

The Eaton BQ240240 Type BQ Quadplex Circuit Breaker is a space-saving solution designed for your Eaton Type BR loadcenters where multiple 240-volt circuits are required without expanding panel footprint. This quadplex breaker combines two independent 40-amp, two-pole breakers into a single compact assembly, allowing electricians, contractors, and facility maintenance professionals to maximize available breaker spaces while maintaining dependable circuit protection. Engineered with a thermal magnetic trip mechanism, the BQ240240 helps protect your branch circuits from overloads and short circuits in residential, commercial, and light industrial electrical systems.

Rated for 120/240 volts and featuring a 10 kAIC interrupting capacity, the Eaton BQ240240 is commonly used for dedicated 240-volt equipment such as HVAC systems, air conditioning units, water heaters, electric furnaces, compressors, pumps, workshop equipment, and other heavy-duty loads requiring 40-amp circuit protection. Its plug-on design allows for straightforward installation in compatible Eaton Type BR loadcenters, while the built-in rejection tab helps ensure proper panel compatibility. With copper and aluminum conductor compatibility and UL 489 certification, this breaker delivers the performance and reliability expected for demanding electrical applications.

Key Features and Benefits

• Quadplex Configuration: Two independent 40A two-pole breakers in a single assembly, maximizing circuit capacity while conserving panel space.
• Thermal Magnetic Protection: Provides overload and short-circuit protection using a thermal magnetic trip mechanism.
• Designed for Eaton Type BR Loadcenters: Engineered for compatibility with Eaton Type BR loadcenters.
• Plug-On Installation: Features a plug-on mounting design for efficient installation.
• Rated for 120/240 VAC: Suitable for standard residential, commercial, and light industrial electrical systems.
• 10 kAIC Interrupting Rating: Provides dependable fault interruption capability.
• Compatible Conductors: Works with both copper and aluminum conductors.
• Integrated Rejection Tab: Helps ensure proper panel compatibility.
• HACR Listed: Approved for heating, air conditioning, and refrigeration applications.
• UL 489 Listed: Certified for branch circuit protection applications.
  

Technical Specifications

• Manufacturer: Eaton
  
• Catalog Number: BQ240240
  
• UPC: 786676371155
  
• Product Type: Thermal Magnetic Circuit Breaker
  
• Circuit Breaker Type: BQ Quadplex
  
• Type: Type BQ 1-Inch CTL Plug-On Circuit Breaker
  
• Amperage Rating: (2) Two-Pole 40A
  
• Voltage Rating: 120/240 VAC
  
• Number of Poles: Four-Pole Configuration
  
• Trip Type: T194
  
• Interrupt Rating: 10 kAIC
  
• Mounting Method: Plug-On
  
• Compatible Loadcenters: Eaton Type BR
  
• Wire Size: #14–4 AWG Copper/Aluminum
  
• Dimensions:
  • Length: 3 in
  • Width: 2 in
  • Height: 3 in
• Product Weight: 0.7 lb
  
• Special Feature: Rejection Tab
  

Material Compliance and Certifications

• UL 489 Listed: Certified for branch circuit protection applications.
• Federal Specifications Classification W-C375: Complies with Federal Specifications Classification W-C375.
• HACR Listed: Approved for heating, air conditioning, and refrigeration applications.
  

Where It Works Best

• The Eaton BQ240240 is well suited for residential service panels, multifamily housing, commercial buildings, workshops, maintenance facilities, and light industrial environments where multiple 40-amp, 240-volt circuits are needed. Typical applications include air conditioning condensers, heat pumps, electric water heaters, electric heating equipment, air compressors, pumps, and other dedicated equipment requiring dual 40-amp two-pole circuit protection within a limited panel space.