THHQB2120 - 20Amp Circuit Breaker

THHQB2120 - 20Amp Circuit Breaker

The THHQB2120 Circuit Breaker from ABB's Q-Line series is engineered to provide superior protection and reliability for both residential and commercial electrical systems. This compact, thermal-magnetic circuit breaker is designed to handle a continuous current of 20 Amps, making it ideal for safeguarding smaller electrical loads. The THHQB2120 is a bolt-on circuit breaker, ensuring secure and straightforward installation to the bus connections of load centers and lighting panels. With a robust interrupting capacity of 22 kA at 120/240V AC, this circuit breaker is built to protect your electrical infrastructure from overloads and short circuits, ensuring long-term safety and performance.

Key Features and Benefits:

• Space-Efficient Design: At just one-inch wide per pole, this circuit breaker optimizes space within your electrical panels, making it an excellent choice for compact installations.
• Thermal-Magnetic Protection: Offers dual protection with thermal protection against overloads and magnetic protection against short circuits, ensuring comprehensive electrical safety.
• Bolt-On Installation: Provides a secure connection to load centers and lighting panels, facilitating easy and reliable installation.
• Quick-Make, Quick-Break Mechanism: Enhances operational safety by ensuring fast response to fault conditions, minimizing potential damage.
• Common Trip Bar: Guarantees simultaneous tripping of both poles, preventing partial disconnection and ensuring consistent protection.
• Visible Trip Indication: Allows for easy identification of tripped circuits, enabling quick reset and maintenance.

Technical Specifications:

• Amperage: 20 A
• Voltage: 120/240 Vac
• Interrupting Capacity: 22 kAIC
• Poles: 2
• Trip Style: Non-Interchangeable
• Trip Function: LI (Long-time, Instantaneous)
• Frame Type: Q-Line
• Continuous Current Rated: Standard
• Suitable for Reverse Feed: Yes
• UL File #: E11592

Material Compliance and Certifications:

• The THHQB2120 Circuit Breaker is UL listed, ensuring that it meets all essential safety and material compliance standards. This certification provides confidence that the breaker will perform reliably under various operational conditions, adhering to the strictest industrial and safety standards.

Suitability:

• The THHQB2120 is perfectly suited for residential and commercial applications where reliable protection of smaller electrical loads is required. Its design is particularly beneficial for use in load centers and lighting panels, making it an excellent choice for new installations as well as maintenance and upgrades of existing systems. With its compact design and robust safety features, the THHQB2120 ensures your electrical systems remain safe and functional, providing peace of mind for homeowners and facility managers alike.