THHQB2180 - 80Amp Circuit Breaker

THHQB2180 - 80 Amp Circuit Breaker

The THHQB2180 is a 2-pole, 80-amp molded case circuit breaker designed for dependable overcurrent and short-circuit protection in your commercial, industrial, and residential electrical distribution systems. As part of the trusted THHQB Q-Line family, this bolt-on circuit breaker offers a secure installation method to help maintain reliable electrical connections in panelboard applications. With a 22,000 AIC rating at 120/240VAC, the THHQB2180 is built to help you protect electrical equipment, conductors, and connected loads from damaging fault conditions while supporting safe and efficient power distribution.

Engineered for durability and consistent performance, this HACR-rated circuit breaker is suitable for applications involving heating, air conditioning, and refrigeration equipment. Its compact footprint allows for efficient use of panel space, making it a practical choice for new installations, equipment upgrades, maintenance projects, and replacement applications. Whether you're protecting branch circuits or supporting larger electrical distribution systems, the THHQB2180 delivers the dependable protection professionals expect from a high-quality bolt-on breaker.

Key Features and Benefits

• 80 Amp continuous current rating: 80 Amp continuous current rating for higher-capacity electrical loads
• 2-pole configuration: 2-pole configuration for 120/240VAC applications
• 22kA interrupting capacity (AIC): 22kA interrupting capacity (AIC) at 120/240VAC for enhanced fault protection
• Bolt-on mounting design: Bolt-on mounting design helps provide a secure and stable connection.
• Product family: Part of the THHQB Q-Line circuit breaker family
• HACR rated: HACR rated for heating, air conditioning, and refrigeration equipment applications
• Molded case construction: Molded case construction designed for long service life and dependable operation
• Compact dimensions: Compact dimensions support efficient panelboard utilization.
• Application suitability: Suitable for commercial, industrial, and residential electrical systems

Technical Specifications

• Part Number: THHQB2180
• Type: THHQB
• Circuit Breaker Style: Molded Case Circuit Breaker
• Mounting Type: Bolt-On
• Product Family: Q-Line
• Poles: 2
• Amperage Rating: 80 Amps
• Voltage Rating: 120/240VAC
• Interrupting Capacity: 22kA AIC
• HACR Rated: Yes
• Height: 3.5 in.
• Width: 2.0 in.
• Depth: 2.81 in.

Material Compliance and Certifications

• Industry Standards: The THHQB2180 is manufactured and tested to meet applicable industry standards for molded case circuit breakers. Its HACR rating confirms suitability for use in heating, ventilation, air conditioning, and refrigeration applications where reliable circuit protection is essential. Proper installation and application should always follow applicable electrical codes, equipment specifications, and local regulations.

Where It Works Best

• The THHQB2180 is well-suited for electrical distribution systems requiring a dependable 80 amp, 2-pole circuit breaker with bolt-on mounting. Common applications include commercial buildings, industrial facilities, HVAC equipment, refrigeration systems, panelboards, branch circuit protection, and electrical infrastructure upgrades. Its combination of compact size, strong interrupting capacity, and secure bolt-on design makes it an excellent choice wherever reliable circuit protection and long-term performance are priorities.