THQB2180 - 80A Circuit Breaker

THQB2180 - 80A Circuit Breaker

The THQB2180 circuit breaker is a dependable 80-amp, 2-pole molded case circuit breaker designed to provide effective overcurrent and short-circuit protection in your commercial, industrial, and residential electrical distribution systems. As part of the trusted THQB Q-Line series, this bolt-on breaker delivers secure panelboard installation while helping you to protect electrical equipment, branch circuits, and connected loads from potentially damaging electrical faults. Its compact footprint makes it well-suited for applications where reliable circuit protection is essential without sacrificing valuable panel space.

Engineered for use on 120/240VAC electrical systems, the THQB2180 features a 10kA interrupting capacity (A.I.C.), allowing it to safely interrupt fault currents within its rated capacity. The breaker is also HACR rated, making it suitable for heating, air conditioning, and refrigeration equipment applications where dependable circuit protection is critical. Whether you are installed in commercial facilities, industrial environments, multifamily buildings, or electrical distribution panels, the THQB2180 helps maintain system safety and operational continuity.

Key Features and Benefits

• 80 Amp Current Rating: 80 Amp current rating for higher-capacity branch circuit protection.
• 2-Pole Configuration: 2-pole configuration designed for 120/240VAC applications.
• Bolt-On Mounting Style: Bolt-on mounting style provides a secure and stable panel connection.
• 10kA Interrupting Rating: 10kA interrupting rating at 120/240VAC for fault current protection.
• HACR Rated: HACR rated for heating, air conditioning, and refrigeration equipment applications.
• Molded Case Construction: Molded case construction helps enhance durability and electrical safety.
• THQB Q-Line Series: Part of the proven THQB Q-Line breaker family.
• Compact Design: Compact design supports efficient use of panelboard space.
• Application Versatility: Suitable for commercial, industrial, and residential electrical systems.
  

Technical Specifications

• Part Number: THQB2180
  
• Type: THQB
  
• Circuit Breaker Style: Molded Case Circuit Breaker
  
• Mounting Type: Bolt-On
  
• Series: Q-Line
  
• Poles: 2
  
• Amperage Rating: 80 Amps
  
• Voltage Rating: 120/240VAC
  
• Interrupting Capacity (A.I.C.): 10kA @ 120/240VAC
  
• HACR Rated: Yes
  
• Dimensions:
  • Height: 3.5 in.
  • Width: 2.0 in.
  • Depth: 2.81 in.

Material Compliance and Certifications

• HACR Rated: HACR Rated for approved heating, air conditioning, and refrigeration applications.
• Industry Performance Standards: Manufactured and tested to meet applicable industry performance standards for molded case circuit breakers.
• Electrical Distribution Equipment Compatibility: Designed for use in compatible electrical distribution equipment and panelboard systems.
• Durable Construction: Constructed using durable insulating and conductive materials intended for long-term electrical service.
  

Where It Works Best

• The THQB2180 is an excellent choice for electrical distribution systems requiring reliable 80-amp overcurrent protection. It is commonly used in commercial buildings, industrial facilities, multifamily housing projects, service entrance equipment, panelboards, HVAC installations, and other applications operating on 120/240VAC power systems. Its bolt-on design and HACR rating make it especially useful in environments where secure installation and dependable performance are important to maintaining safe electrical operation.