THQP120 - 20Amp Circuit Breaker

THQP120 - 20 Amp Circuit Breaker

The THQP120 circuit breaker is a compact, space-saving solution designed for dependable overcurrent protection in your residential and light commercial electrical systems. Built as part of the trusted Q-Line family, this 1-pole, 20-amp plug-on molded-case circuit breaker is engineered for use in load centers where maximizing panel space is critical. Its slim “THIN” profile allows more circuits in less space without sacrificing performance, making it an excellent fit for crowded electrical panels, renovations, or system expansions. Rated at 10k AIC at 120VAC, the THQP120 delivers reliable interruption capacity to help you protect wiring and connected equipment from overloads and short circuits. The HACR rating also makes it suitable for heating, air conditioning, and refrigeration applications where dependable circuit protection is essential. Designed for straightforward installation and consistent operation, this breaker offers the balance of efficiency, durability, and compact convenience that electricians and facility professionals look for in everyday power distribution components.

Key Features and Benefits

• Space-Saving THIN Design: Narrow profile helps maximize load center capacity while conserving valuable panel space.
• 20 Amp Single-Pole Protection: Ideal for protecting 120VAC branch circuits from overloads and short circuits.
• Plug-On Installation: Designed for quick and secure installation in compatible Q-Line panelboards and load centers.
• 10k AIC Rating: Provides dependable fault interruption capability for residential and commercial applications.
• HACR Rated: Suitable for heating, air conditioning, and refrigeration equipment applications.
• Molded Case Construction: Built for long-term electrical protection and reliable switching performance.
• Q-Line Compatibility: Designed to integrate with compatible Q-Line electrical distribution systems.
  

Technical Specifications

• Part Number: THQP120
  
• Type: THQP
  
• Circuit Breaker Style: Molded Case Circuit Breaker
  
• Poles: 1
  
• Amperage Rating: 20A
  
• Voltage Rating: 120VAC
  
• Interrupting Rating: 10k AIC
  
• Mounting Style: Plug-On
  
• Breaker Design: THIN / Space-Saving
  
• Dimensions:
  • Height: 3.25 in.
  • Width: 0.5 in.
  • Depth: 2.56 in.

Material Compliance and Certifications

• HACR Rated: Approved for HVAC-related applications requiring dependable circuit protection.
• Industry Standards: Manufactured to meet applicable industry standards for molded case circuit breakers.
• Application Compatibility: Designed for use in compatible load centers and panelboard systems requiring dependable branch circuit protection.
  

Where It Works Best

• The THQP120 is well-suited for residential homes, apartment buildings, retail spaces, offices, and light commercial facilities where panel space is limited but reliable circuit protection remains critical. Its slim footprint makes it especially useful for panel upgrades, remodels, and electrical expansions where adding circuits without replacing the entire panel can save both time and installation costs. It’s also a practical choice for HVAC-related circuits thanks to its HACR rating.