THQL32100ST1 - 100Amp Circuit Breaker

THQL32100ST1 - 100 Amp Circuit Breaker

The THQL32100ST1 circuit breaker is built for reliable protection in your commercial and industrial electrical systems where steady performance matters every day. Designed as part of the THQL Q-Line family, this 3-pole, 100-amp breaker helps protect equipment and wiring from overloads and short circuits while also offering remote tripping capability through its built-in 120VAC shunt trip feature. Its plug-on design allows for quick installation in compatible panelboards, helping your electricians reduce installation time during service upgrades or new projects.

This molded case circuit breaker is commonly used in three-phase power distribution systems, HVAC equipment, control panels, and other applications where dependable circuit protection is essential. The HACR rating makes it suitable for heating and cooling equipment, while the 10k A.I.C. rating at 240VAC provides added confidence in fault protection. With a compact size and durable construction, the THQL32100ST1 is a practical solution for facilities that need efficient electrical protection without taking up unnecessary panel space.

Key Features and Benefits

• 100 amp rating: Supports higher-capacity electrical loads in commercial and industrial systems.
• 3-pole design: Ideal for three-phase applications requiring dependable circuit protection.
• Built-in 120VAC shunt trip: Provides remote disconnect capability for added operational control and safety.
• Plug-on mounting style: Allows for faster installation in compatible panelboards, helping reduce installation time.
• 10k A.I.C. rating at 240VAC: Offers dependable fault interruption for added confidence in electrical protection.
• HACR rated: Suitable for HVAC and refrigeration system applications.
• Molded case housing: Designed for long-term use in demanding electrical environments.
• Compact dimensions: Helps maximize available panelboard space.
  

Technical Specifications

• Part Number: THQL32100ST1
  
• Series: THQL Q-Line
  
• Type: Molded Case Circuit Breaker
  
• Poles: 3
  
• Amperage: 100A
  
• Voltage Rating: 240VAC
  
• Interrupting Rating: 10k A.I.C. @ 240VAC
  
• Shunt Trip Voltage: 120VAC
  
• Mounting Style: Plug-On
  
• HACR Rated: Yes
  
• Dimensions:
  • Height: 3.31 in.
  • Width: 4.00 in.
  • Depth: 2.81 in.

Material Compliance and Certifications

• HACR Rated: The THQL32100ST1 is HACR rated for use with heating, air conditioning, and refrigeration equipment applications.
• Durable Molded Case Construction: Its molded case construction is designed to provide dependable insulation and protection in demanding electrical environments commonly found in commercial and industrial facilities.
  

Where It Works Best

• This breaker works well in commercial buildings, manufacturing facilities, distribution panels, HVAC systems, and equipment requiring remote emergency shutdown capability. It is also a strong fit for maintenance replacements, panel upgrades, and new installations where reliable three-phase protection is needed.