THQB32020 - 20A Circuit Breaker

THQB32020 - 20A Circuit Breaker

The THQB32020 is a 20-amp, 3-pole, bolt-on molded-case circuit breaker designed to provide dependable overcurrent and short-circuit protection in your commercial, industrial, and light-commercial electrical distribution systems. As part of the trusted THQB Q-Line series, this breaker combines secure bolt-on installation with consistent performance to help you protect electrical equipment, branch circuits, and connected loads from potentially damaging fault conditions. With a 10 kA interrupting capacity at 240 VAC, the THQB32020 is well-suited for applications requiring reliable circuit protection and long-term operational confidence. Its compact footprint allows for efficient integration into compatible panelboards and distribution equipment where space and performance are equally important. Whether you use it in new installations, system upgrades, or maintenance projects, the THQB32020 delivers the protection that professionals expect from a quality molded-case circuit breaker. Its HACR rating also makes it suitable for use in heating, air conditioning, and refrigeration applications where approved overcurrent protection is required.

Key Features and Benefits

• 20 Amp Current Rating: For dependable branch circuit protection.
• 3-Pole Configuration: Designed for three-phase electrical systems.
• Bolt-On Mounting Design: Helps ensure a secure, stable connection.
• 10 kA Interrupting Capacity at 240 VAC: Protects against short-circuit faults.
• Q-Line Series Construction: Engineered to be compatible with designated panelboards and distribution equipment.
• HACR Rated: For use in heating, air conditioning, and refrigeration applications.
• Molded Case Design: Helps enhance durability and operational reliability.
• Compact Dimensions: Support installation in space-conscious electrical assemblies.

Technical Specifications

• Part Number: THQB32020
• Type: THQB
• Circuit Breaker Style: Molded Case Circuit Breaker
• Mounting Method: Bolt-On
• Poles: 3
• Amperage Rating: 20 Amps
• Voltage Rating: 240 VAC
• Interrupting Capacity: 10kA @ 240VAC
• Series: Q-Line
• HACR Rated: Yes
• Dimensions:
  • Height: 3.5 in.
  • Width: 3.0 in.
  • Depth: 2.81 in.

Material Compliance and Certifications

• Industry Standards: The THQB32020 is manufactured to meet applicable industry standards for molded case circuit breakers and is designed for use in electrical distribution systems requiring dependable overcurrent protection.
• HACR Rating: The breaker carries an HACR rating, indicating suitability for approved heating, air conditioning, and refrigeration equipment. Users should verify local code requirements and equipment compatibility before installation.

Where It Works Best

• Three-phase branch circuit protection
• Commercial buildings and office facilities
• Manufacturing and industrial control systems
• Electrical distribution panelboards
• HVAC and refrigeration equipment installations
• Equipment protection circuits requiring a 20-amp, 3-pole breaker
• Maintenance, retrofit, and system upgrade projects
• Its combination of bolt-on security, three-phase protection capability, and HACR-rated performance makes the THQB32020 a practical choice for professionals seeking dependable circuit protection in demanding electrical environments.