THQLQ204020 - Quad 20A-40A-20A Circuit Breaker

THQLQ204020 - Quad 20A-40A-20A Circuit Breaker

The THQLQ204020 Quadplex Circuit Breaker is a practical space-saving solution designed for your load centers that require multiple branch circuits without sacrificing panel capacity. Built with a quadplex configuration, this breaker features a 2-pole 40 amp breaker in the center with two 1-pole 20 amp breakers on the outside, making it ideal for applications where both 120V and 240V circuits are needed within the same panel space. Its compact design helps your electricians and facility managers maximize available panel real estate while maintaining dependable circuit protection for residential and light commercial electrical systems.

Engineered within the trusted THQLQ frame series, this plug-on molded case circuit breaker is designed for compatibility with Q-Line load centers and panelboards. The breaker delivers reliable overload and short-circuit protection while supporting efficient installation and long-term performance. Because it is HACR rated, it is also suitable for heating, air conditioning, and refrigeration equipment applications where dependable protection is essential. Whether you're upgrading an aging electrical panel, expanding branch circuits, or replacing an existing breaker, the THQLQ204020 offers an efficient and dependable solution for maintaining electrical safety and system performance.

Key Features and Benefits

• Quadplex Breaker Configuration: Combines multiple circuits into a compact footprint.
• 20/40/20 Amp Arrangement:
  • (2) outer 20-amp single-pole breakers
  • (1) center 40 amp double-pole breaker
• Q-Line Plug-On Design: Allows for fast, straightforward installation.
• Maximizes Panel Space Efficiency: Helps optimize available panel capacity.
• Dependable Protection: Provides reliable overload and short-circuit protection.
• HACR Rated: Suitable for HVAC and refrigeration equipment applications.
• Compatible with Q-Line Systems: Designed for use in compatible Q-Line load centers and panelboards.
• Molded Case Construction: Supports long service life and consistent operation.
  

Technical Specifications

• Part Number: THQLQ204020
  
• Frame Type: THQLQ
  
• Breaker Type: Quadplex Molded Case Circuit Breaker
  
• Pole Configuration: Quad
  
• Amperage Rating: 20/40/20 Amp
  
• Center Breaker: 2-Pole 40 Amp
  
• Outer Breakers: (2) 1-Pole 20 Amp
  
• Mounting Type: Plug-On
  
• Dimensions:
  • Height: 3.31 in.
  • Width: 2.0 in.
  • Depth: 3.0 in.
• Application: Branch Circuit Protection
  

Material Compliance and Certifications

• HACR Rated: Suitable for heating, air conditioning, and refrigeration equipment applications.
• Molded Case Construction: Designed for electrical protection applications.
• Q-Line Compatibility: Manufactured for compatibility with approved Q-Line systems.
• Industry Expectations: Built to meet industry expectations for safe and reliable circuit protection.
  

Where It Works Best

• Residential electrical panels
• Light commercial buildings
• HVAC and refrigeration circuits
• Kitchen and appliance branch circuits
• Electrical panel upgrades and retrofits
• Space-limited load centers requiring multiple circuit connections
• Its quadplex layout makes it especially useful when additional circuits are needed, but panel space is limited. By combining multiple breaker functions into a single compact unit, this breaker helps improve panel organization while maintaining reliable electrical protection.