THHQB32020 - 20Amp Circuit Breaker

THHQB32020 - 20 Amp Circuit Breaker

The THHQB32020 is a dependable 20-amp, 3-pole molded case circuit breaker designed to provide reliable overcurrent and short-circuit protection in your commercial, industrial, and institutional electrical distribution systems. As part of the trusted THHQB Q-Line series, this breaker features a bolt-on mounting design that helps you to create a secure electrical connection while reducing the risk of movement or loosening over time. Engineered for use in demanding applications, the THHQB32020 delivers a 22 kA interrupting capacity at 240 VAC, making it a strong choice for facilities where dependable circuit protection is essential. Its compact footprint and proven molded case construction make it well-suited for panelboards, switchboards, and other power distribution equipment requiring safe and consistent performance. Additionally, this breaker is HACR rated, making it suitable for heating, air conditioning, and refrigeration applications where reliable circuit protection is critical to system operation.

Key Features and Benefits

• 20 Amp Rating: Provides effective overcurrent protection for branch circuits and connected equipment.
• 3-Pole Configuration: Designed for three-phase electrical systems requiring simultaneous disconnection of all poles.
• 22kA Interrupting Capacity at 240VAC: Helps protect electrical systems from high fault current conditions.
• THHQB Q-Line Design: Built for compatibility with designated Q-Line electrical distribution equipment.
• Bolt-On Mounting: Creates a secure, stable installation that helps maintain reliable electrical connections.
• Molded Case Construction: Offers dependable performance and long service life in demanding environments.
• HACR Rated: Suitable for heating, air conditioning, and refrigeration equipment applications.
• Compact Design: Helps maximize available space within electrical panels and distribution systems.
  

Technical Specifications

• Part Number: THHQB32020
  
• Type: THHQB
  
• Product Family: Q-Line
  
• Circuit Breaker Type: Molded Case Circuit Breaker
  
• Mounting Style: Bolt-On
  
• Poles: 3
  
• Amperage Rating: 20 Amps
  
• Voltage Rating: 240VAC
  
• Interrupting Capacity: 22kA @ 240VAC
  
• HACR Rated: Yes
  
• Dimensions:
  • Height: 3.5 in.
  • Width: 3.0 in.
  • Depth: 2.81 in.

Material Compliance and Certifications

• Industry Standards: The THHQB32020 is manufactured and tested to meet applicable industry standards for molded case circuit breakers.
• HACR Rating: Its HACR rating confirms suitability for heating, air conditioning, and refrigeration applications. Always verify installation requirements and code compliance for your specific electrical system and application.
  

Where It Works Best

• The THHQB32020 is ideal for use in commercial buildings, industrial facilities, manufacturing plants, schools, healthcare facilities, and other three-phase electrical distribution systems. It is particularly well-suited for panelboards, switchboards, motor loads, HVAC equipment, refrigeration systems, and branch circuit protection applications where secure bolt-on installation and dependable overcurrent protection are required.