THQL21100 - 100Amp Circuit Breaker

THQL21100 - 100 Amp Circuit Breaker

The THQL21100 circuit breaker is a 100-amp, 2-pole molded case circuit breaker designed to provide dependable overcurrent and short-circuit protection for your residential, commercial, and light industrial electrical systems. As part of the trusted THQL Q-Line series, this plug-on breaker is engineered for straightforward installation in compatible load centers and panelboards while delivering consistent performance under demanding electrical conditions. Featuring a 10kA interrupting capacity at 120/240VAC, the THQL21100 helps you protect conductors, equipment, and connected circuits from damage caused by overloads and fault currents. Its compact footprint and durable molded case construction make it a practical solution for branch circuit protection where reliable power distribution is essential.

Key Features and Benefits

• 100 Amp Rating: For higher-capacity branch circuit protection.
• 2-Pole Design: Suitable for 120/240VAC applications requiring dual-pole protection.
• 10kA Interrupting Capacity: Helps safely interrupt fault currents and protect electrical systems.
• Plug-On Configuration: Allows for efficient installation in compatible Q-Line load centers and panelboards.
• Molded Case Construction: Provides durability and long service life in demanding environments.
• HACR Rated: For use in heating, air conditioning, and refrigeration equipment applications where permitted by code.
• Reliable Protection: Designed to deliver reliable overcurrent and short-circuit protection for residential, commercial, and light industrial systems.
• Compact Dimensions: Help maximize panel space while maintaining dependable performance.
  

Technical Specifications

• Part Number: THQL21100
  
• Type: THQL
  
• Circuit Breaker Style: Molded Case Circuit Breaker
  
• Series: Q-Line
  
• Mounting Type: Plug-On
  
• Poles: 2
  
• Amperage Rating: 100 Amps
  
• Voltage Rating: 120/240VAC
  
• Interrupting Capacity (A.I.C.): 10kA @ 120/240VAC
  
• HACR Rated: Yes
  
• Dimensions:
  • Height: 3.31 in.
  • Width: 2.00 in.
  • Depth: 2.81 in.

Material Compliance and Certifications

• The THQL21100 is manufactured as a molded case circuit breaker intended for use in accordance with applicable electrical codes and installation requirements.
• Its HACR rating supports applications involving heating, ventilation, air conditioning, and refrigeration equipment where approved by local codes and system specifications.
• Proper installation and application should always follow manufacturer recommendations and applicable National Electrical Code (NEC) requirements.
  

Where It Works Best

• The THQL21100 is well-suited for electrical distribution systems requiring 100 Amp, two-pole circuit protection. Common applications include residential service upgrades, subpanels, HVAC equipment, large appliances, commercial branch circuits, and other 120/240VAC power distribution systems. Its combination of high current capacity, dependable fault protection, and convenient plug-on installation makes it a valuable choice for electricians, contractors, facility maintenance teams, and electrical professionals seeking reliable circuit protection.