THHQB32100 - 100Amp Circuit Breaker

THHQB32100 - 100Amp Circuit Breaker

The THHQB32100 is a 100 amp, 3-pole molded case circuit breaker designed to provide dependable overcurrent and short-circuit protection for your commercial, industrial, and institutional electrical distribution systems. As part of the trusted Q-Line family, this bolt-on circuit breaker delivers secure installation and consistent performance in demanding power distribution applications. With an interrupting capacity of 22kA at 240VAC, the THHQB32100 helps you to protect electrical equipment, conductors, and connected loads from damage caused by overloads and fault conditions. Its compact footprint allows for efficient integration into compatible panelboards and distribution equipment while maintaining the durability expected from a molded case design.

Built for applications that require reliable circuit protection and long-term performance, the THHQB32100 is also HACR rated, making it suitable for heating, air conditioning, and refrigeration equipment installations. Whether used in commercial facilities, manufacturing environments, office buildings, or other power distribution systems, this circuit breaker provides the protection and operational confidence needed to help keep electrical systems running safely and efficiently.

Key Features and Benefits

• 100 amp current rating: for medium- to high-capacity electrical distribution applications
• 3-pole configuration: designed for three-phase power systems
• Bolt-on mounting style: provides a secure and stable installation
• 22kA interrupting capacity at 240VAC: for dependable fault protection
• Molded case construction: designed for durability and long service life
• HACR rated: for heating, air conditioning, and refrigeration applications
• Part of the Q-Line family: for compatibility with designated panelboard systems
• Helps protect electrical equipment: from overloads and short circuits
• Compact design: supports efficient use of panel space

Technical Specifications

• Part Number: THHQB32100
• Type: THHQB
• Circuit Breaker Style: Molded Case Circuit Breaker
• Series: Q-Line
• Mounting Type: Bolt-On
• Poles: 3
• Amperage Rating: 100 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 THHQB32100 is manufactured and tested to meet applicable industry standards for molded case circuit breakers used in power distribution systems.
• HACR Rating: Its HACR rating confirms suitability for use with heating, ventilation, air conditioning, and refrigeration equipment where permitted by local electrical codes and installation requirements. Always verify compatibility with your specific application and applicable code requirements before installation.

Where It Works Best

• The THHQB32100 is well suited for a wide range of commercial and industrial electrical systems, including commercial buildings and office complexes, manufacturing and processing facilities, HVAC and refrigeration equipment circuits, distribution panels and panelboards, retail and mixed-use developments, institutional and educational facilities, and three-phase electrical distribution systems requiring 100 amp circuit protection. Its combination of a 100 amp rating, 3-pole configuration, bolt-on installation, and 22kA interrupting capacity makes it an excellent choice for protecting critical electrical infrastructure in demanding environments.