THQB1120 - 20A Circuit Breaker

THQB1120 20A Circuit Breaker

The THQB1120 Circuit Breaker from ABB's Q-Line series is a high-performance, single-pole breaker designed to provide reliable protection for residential and commercial electrical systems. With a compact, one-inch wide design, this thermal-magnetic circuit breaker is ideal for space-constrained installations, ensuring efficient use of your electrical panel. The THQB1120 offers robust protection with a 10 kA interrupting capacity at 120/240V AC, making it a dependable choice for safeguarding against overloads and short circuits. Engineered with a bolt-on mounting system, it guarantees a secure connection to load centers and lighting panels, providing ease of installation and long-lasting reliability.

Key Features and Benefits:

• Space-Efficient Design: One-inch wide per pole, making it perfect for compact and space-constrained electrical panels.
• Thermal-Magnetic Protection: Offers comprehensive protection with thermal protection against overloads and magnetic protection against short circuits.
• Bolt-On Installation: Ensures a secure and durable connection to load centers and lighting panels, facilitating easy and efficient installation.
• Quick-Make, Quick-Break Mechanism: Enhances safety by ensuring rapid response to electrical faults, minimizing the risk of damage.
• Visible Trip Indication: Allows for easy identification and quick reset after a trip, ensuring minimal downtime.

Technical Specifications:

• Amperage: 20 A
• Voltage: 120/240 Vac
• Interrupting Capacity: 10 kAIC
• Poles: 1
• Trip Style: Non-Interchangeable
• Trip Function: LI (Long-time, Instantaneous)
• Frame Type: Q-Line
• Wire Range (Cu/Al): 14-8 kcmil / 12-8 kcmil
• Suitable for Reverse Feed: Yes
• Special Markings: HACR, SWD (Switching Duty)

Material Compliance and Certifications:

• The THQB1120 Circuit Breaker is UL listed, meeting all necessary safety and material compliance standards to ensure reliable operation under various conditions. The breaker’s HACR (Heating, Air Conditioning, and Refrigeration) rating further affirms its suitability for demanding applications, while the SWD (Switching Duty) marking indicates its capability for use in switching fluorescent lighting circuits.

Suitability:

• The THQB1120 Circuit Breaker is ideally suited for residential and light commercial applications where reliable, space-efficient protection is critical. Its design makes it an excellent choice for protecting branch circuits, especially in environments with limited panel space. Whether you're upgrading or maintaining your electrical system, the THQB1120 provides dependable protection and peace of mind, ensuring your circuits are safeguarded against potential hazards.

The THQB1120 Circuit Breaker integrates advanced features with proven technology to provide unmatched safety and reliability, making it an essential component for electrical protection. Explore the detailed capabilities of this circuit breaker and secure your electrical systems with confidence.