THHQL21100 - 100Amp Circuit Breaker

THHQL21100 - 100 Amp Circuit Breaker

When you need dependable protection for larger electrical loads, the THHQL21100 circuit breaker is built to handle the job. This 100-amp, 2-pole breaker is part of the THHQL Q-Line family and is designed for use in 120/240VAC electrical systems where reliable overcurrent protection is essential.

Its plug-on design allows for straightforward installation in compatible Q-Line panelboards and load centers, making it a practical choice for both new projects and replacement applications. With a 22kA interrupting rating, the breaker is capable of responding to higher fault current conditions while helping protect connected equipment and wiring from damage.

The THHQL21100 is also HACR rated, making it a suitable option for heating, air conditioning, and refrigeration equipment. Whether it's being used to protect HVAC systems, distribution equipment, or other high-demand circuits, this breaker delivers the performance needed to keep electrical systems operating safely and efficiently.

Key Features and Benefits

• 100 amp current rating for demanding electrical loads
• Two-pole configuration for 120/240VAC systems
• 22kA interrupting capacity at 120/240VAC
• Plug-on design for quick installation in compatible Q-Line equipment
• HACR rated for HVAC and refrigeration applications
• Molded case construction for dependable circuit protection
• Helps protect wiring and connected equipment from overloads and short circuits
• Suitable for residential, commercial, and light industrial environments

Technical Specifications

• Part Number: THHQL21100
  
• Type: THHQL
  
• Series: Q-Line
  
• Poles: 2
  
• Amperage: 100 Amps
  
• Voltage Rating: 120/240VAC
  
• A.I.C. Rating: 22kA @ 120/240VAC
  
• Mounting Style: Plug-On
  
• HACR Rated: Yes
  
• Dimensions:
  • Height: 3.31 in.
  • Width: 2.00 in.
  • Depth: 2.81 in.

Material Compliance and Certifications

• HACR Rated
• Molded case circuit breaker construction
• Designed for use in compatible Q-Line load centers and panelboards
• Intended for installation in accordance with applicable electrical codes and manufacturer requirements

Where It Works Best

• The THHQL21100 is commonly used in electrical distribution systems serving larger branch circuits, HVAC equipment, air conditioning units, refrigeration systems, workshops, commercial facilities, and light industrial applications. Its 100 amp capacity makes it a good fit wherever dependable protection is needed for higher-current 120/240VAC circuits.